Oldfield v. Nebraska Machinery Co. , 296 Neb. 469 ( 2017 )


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    07/07/2017 09:11 AM CDT
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    Nebraska Supreme Court A dvance Sheets
    296 Nebraska R eports
    OLDFIELD v. NEBRASKA MACHINERY CO.
    Cite as 
    296 Neb. 469
    David A. Oldfield, appellant,
    v. Nebraska M achinery
    Company, appellee.
    ___ N.W.2d ___
    Filed April 21, 2017.    No. S-16-526.
    1.	 Summary Judgment: Appeal and Error. In reviewing a summary
    judgment, an appellate court views the evidence in the light most
    favorable to the party against whom the judgment was granted and
    gives that party the benefit of all reasonable inferences deducible from
    the evidence.
    2.	 ____: ____. An appellate court will affirm a lower court’s grant of
    summary judgment if the pleadings and admitted evidence show that
    there is no genuine issue as to any material facts or as to the ultimate
    inferences that may be drawn from the facts and that the moving party
    is entitled to judgment as a matter of law.
    3.	 Statutes: Judgments: Appeal and Error. The interpretation of statutes
    and regulations presents questions of law. An appellate court indepen-
    dently reviews questions of law decided by a lower court.
    4.	 Termination of Employment. Unless constitutionally, statutorily, or
    contractually prohibited, an employer, without incurring liability, may
    terminate an at-will employee at any time with or without reason.
    5.	 Summary Judgment. On a motion for summary judgment, the question
    is not how a factual issue is to be decided, but whether any real issue of
    material fact exists.
    6.	 ____. Summary judgment is proper when the pleadings and evidence
    admitted at the hearing disclose that there is no genuine issue as to any
    material fact or as to the ultimate inferences that may be drawn from
    those facts and that the moving party is entitled to judgment as a matter
    of law.
    7.	 Fair Employment Practices: Discrimination. The ultimate issue in an
    age discrimination case is whether age was a determining factor in the
    employer’s decision to take the adverse employment action.
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    OLDFIELD v. NEBRASKA MACHINERY CO.
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    8.	 Discrimination: Summary Judgment: Evidence. To survive sum-
    mary judgment in a discrimination case, the nonmoving party must do
    more than simply create a factual dispute as to the issue of pretext; he
    or she must offer sufficient evidence for a reasonable trier of fact to
    infer discrimination.
    9.	 Employer and Employee: Discrimination: Proof. A plaintiff may
    show discriminatory animus, among other ways, by showing that the
    employer (1) failed to follow its own policies, (2) treated similarly situ-
    ated employees in a disparate manner, or (3) shifted its explanation of
    the employment decision.
    10.	 Fair Employment Practices: Civil Rights: Employer and Employee.
    An employee is protected by the Nebraska Fair Employment Practice
    Act from employer retaliation for his or her opposition to an act of the
    employer only when the employee reasonably and in good faith believes
    the act to be unlawful. In order for such a belief to be reasonable, the act
    believed to be unlawful must either in fact be unlawful or at least be of
    a type that is unlawful.
    11.	 Termination of Employment: Public Policy: Damages. Under the
    public policy exception to the at-will employment doctrine, an employee
    can claim damages for wrongful discharge when the motivation for the
    firing contravenes public policy.
    12.	 Termination of Employment: Public Policy. The public policy excep-
    tion to the at-will employment doctrine is restricted to cases when a
    clear mandate of public policy has been violated, and it should be lim-
    ited to manageable and clear standards.
    13.	 ____: ____. In determining whether a clear mandate of public policy is
    violated, courts should inquire whether the employer’s conduct contra-
    venes the letter or purpose of a constitutional, statutory, or regulatory
    provision or scheme.
    Appeal from the District Court for Lancaster County:
    A ndrew R. Jacobsen, Judge. Affirmed.
    Robert F. Bartle, of Bartle & Geier Law Firm, for appellant.
    Margaret C. Hershiser and David A. Yudelson, of Koley
    Jessen, P.C., L.L.O., for appellee.
    H eavican, C.J., Wright, Cassel, Stacy, K elch, and
    Funke, JJ.
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    OLDFIELD v. NEBRASKA MACHINERY CO.
    Cite as 
    296 Neb. 469
    K elch, J.
    I. NATURE OF CASE
    David A. Oldfield filed a wrongful termination claim against
    Nebraska Machinery Company (NMC), alleging that his dis-
    charge was in violation of Nebraska’s Age Discrimination
    in Employment Act (ADEA),1 in violation of the whistle-
    blower retaliation provisions of the Nebraska Fair Employment
    Practice Act (FEPA),2 and in violation of public policy. Based
    on the undisputed evidence of Oldfield’s performance issues
    and the limited evidence offered by Oldfield, we affirm the
    district court’s granting of summary judgment in favor of NMC
    and against Oldfield on all claims.
    II. FACTS
    This matter arises from Oldfield’s termination from NMC
    after 38 years of employment. In his amended complaint,
    Oldfield seeks damages against NMC for wrongful discharge
    in violation of (1) the ADEA, (2) the FEPA, and (3) pub-
    lic policy.
    After filing an answer, NMC moved for summary judgment,
    and a hearing was set. At the hearing, depositions of Oldfield
    and Oldfield’s superior, Dwight McDermott, were received into
    evidence, along with the exhibits used in those depositions.
    After the hearing, the district court granted summary judgment
    in favor of NMC.
    Because summary judgment requires the court to view the
    facts in the light most favorable to the nonmoving party, we
    set forth the facts presented by Oldfield in his complaint and
    deposition first before reviewing those presented by NMC.
    1. Facts Presented By Oldfield
    At all relevant times, Oldfield held an “at-will” position as
    a heavy equipment service manager at one of NMC’s locations
    1
    See 
    Neb. Rev. Stat. §§ 48-1001
     to 48-1010 (Reissue 2010).
    2
    See 
    Neb. Rev. Stat. §§ 48-1101
     to 48-1125 (Reissue 2010 & Cum. Supp.
    2016).
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    OLDFIELD v. NEBRASKA MACHINERY CO.
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    296 Neb. 469
    in Lincoln, Nebraska. During his deposition, Oldfield admitted
    to having disagreements with his supervisors and not meeting
    NMC’s expectations in certain respects.
    (a) Disagreement About
    Flat-Rate Pricing
    In June 2011, the day before Oldfield was to go on vacation,
    Oldfield’s direct supervisor, Brandon Zobel, called Oldfield
    into his office to discuss NMC’s transition to “flat-rated”
    pricing, i.e., setting a standard price on doing a certain job.
    Because Zobel did not have a history in repairs, Zobel asked
    Oldfield’s opinion. Oldfield “tr[ied] to explain to [Zobel] how
    certain jobs, the way he wanted to do it, couldn’t be flat rated.”
    Zobel disagreed, and the discussion became heated. Oldfield
    then asked Zobel if he should come back after his vacation.
    Zobel responded, “‘That’s up to you,’” and Oldfield left.
    While Oldfield was on vacation, Kevin Brown, NMC’s vice
    president of services and parts, called Oldfield to make sure
    he was coming back. Brown told Oldfield that he had been
    doing a great job and wanted to make sure that Oldfield stayed
    with NMC.
    On June 17, 2011, after Oldfield came back from vacation,
    he met with Brown to discuss some of the problems that he
    and Zobel were having together. Then Brown met with Zobel
    to discuss the problems. Later that day, Zobel arranged a
    meeting between himself and Oldfield with Brown present. At
    Oldfield’s deposition, Oldfield was given an agenda for that
    meeting, which reminded him of what was discussed: the issue
    of the flat-rate jobs, a new process for invoicing work orders,
    and the hiring of two additional technicians.
    They also discussed agenda items, including “Uniform
    Attire” and “Shop and Office Cleanliness.” Oldfield testified
    that he had problems with NMC’s uniform company getting
    pants that fit him and did not drag on the ground. Although
    Oldfield had been wearing his uniform shirt, he had not been
    wearing the uniform pants. Instead, he had been wearing
    jeans. Another NMC employee had a similar problem finding
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    OLDFIELD v. NEBRASKA MACHINERY CO.
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    a uniform that fit, but McDermott (Zobel’s superior) told her
    not to worry about it. Additionally, the shop that Oldfield
    managed “wasn’t as clean as [Zobel] thought it should be.”
    Brown did not say anything during the meeting.
    (b) Shop Cleanliness
    In December 2011, Zobel wrote an email to Oldfield and
    four other employees, asking them to “work hard to get
    some ‘deep cleaning’ done over the next couple of weeks by
    December 31st.” Cleanliness was important to NMC because
    NMC was a dealer of Caterpillar heavy equipment. Caterpillar
    has a contamination control policy and would inspect NMC to
    make sure it was compliant. Oldfield testified that he did not
    think Zobel’s email meant that his shop needed to be com-
    pletely compliant with Caterpillar’s audit standards by January
    1, 2012.
    On January 18, 2012, NMC conducted a surprise mock con-
    tamination control audit. Thereafter, Zobel wrote an email to
    Oldfield, attaching a list of items that came up during the mock
    audit. The email stated, in relevant part:
    Your department has made some big improvements over
    the last few weeks with cleaning the shop. I am very
    happy about that, but I am disappointed that it wasn’t
    done before January 1st, like I had stated several times
    during the last several months. That being said, let’s move
    forward and get the items on the attached sheet fixed
    immediately.
    Three weeks later, Zobel emailed Oldfield, asking, “How are
    these items coming along?” According to Oldfield, most of
    the items had been completed at that point, but there were still
    some items that needed to be done.
    (c) Monthly Meetings
    In October 2011, Zobel wrote an email to Oldfield and two
    other employees, requesting that they hold monthly meetings
    with their respective departments. In February 2012, Zobel
    emailed Oldfield requesting that Oldfield cover “at least a
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    handful of items” at the beginning of the next monthly meet-
    ing. Zobel also wrote, “I was upset by your comment/attitude
    about the meetings being a waste of time, ‘that you [would]
    rather have them working.’” After Oldfield received the email,
    he talked to Zobel and told him that he never said the meetings
    were a waste of time and that he was “joking” when he said
    that he would rather have his employees working.
    (d) Oldfield’s Performance Appraisal
    In May 2012, using NMC’s performance appraisal form,
    Zobel assessed Oldfield’s performance for 2011 and 2012.
    The form listed seven different categories: (1) “Managing
    Others,” (2) “Budgetary Controls,” (3) “Managing Self,”
    (4) “Organizational Relationships,” (5) “Problem Solving,”
    (6) “Performance Standards,” and (7) “Safety and Health.”
    Oldfield met or exceeded expectations on 8 of the 10 cat-
    egories; he was “Below Requirements” on “Managing Self”
    and “Organizational Relationships.” Under each subsection
    and at the end of the appraisal, there were boxes for Zobel to
    make comments.
    Zobel rated Oldfield as meeting expectations for “Managing
    Others” and commented, “[Oldfield] is exceptional at getting
    the most out of his employees. He keeps everybody busy, all
    of the time. [Oldfield] can do a better job about communicat-
    ing information to his employees, executing company policies,
    and promoting teamwork.”
    Oldfield exceeded expectations for “Budgetary Controls,”
    and Zobel commented, “Historically, [Oldfield] has always
    been a top performer when it comes to hitting budget and sales
    numbers. He spends very little and generates a lot of revenue.”
    Oldfield fell below NMC’s requirements for “Managing
    Self.” Zobel commented:
    [Oldfield] does his job well in terms of meeting dead-
    lines / responding to his larger customers. However,
    it may take several days for him to respond (some-
    times no response) to internal emails and/or phone
    calls. [Oldfield] has been resistant in the past regarding
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    OLDFIELD v. NEBRASKA MACHINERY CO.
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    priorities and organizational changes. Examples include;
    [flat-rate] jobs, monthly employee meetings, [shop clean-
    liness], technician training, service writer, wearing his
    uniform, etc.
    Zobel rated Oldfield as exceeding expectations for
    “Organizational Relationships” and commented, “[Oldfield]
    does not always execute directives, regardless of personal
    likes/dislikes. Examples include (same as above) . . . . It is
    evident that [Oldfield] dislikes speaking orally in groups and
    avoids it whenever possible. Small to mid-sized customers are
    not always responded to in a timely manner.” In his deposition,
    Oldfield disputed that small and midsized customers were not
    responded to in a timely manner. Oldfield explained that “a
    lot” of small and midsized customers were very happy with the
    service, but some were upset about the cost.
    Oldfield was rated as exceeding expectations for “Problem
    Solving.” Zobel commented: “[Oldfield] solves many problems
    each and every week. He has a tremendous amount of experi-
    ence and job knowledge that helps him solve problems quickly
    and effectively. An opportunity for [Oldfield] would be to par-
    ticipate more in group discussions and provide solutions along
    with the issues.”
    Zobel rated Oldfield as exceeding expectations for
    “Performance Standards” and commented:
    [Oldfield] does give feedback to his employees, and
    he has been improving on giving positive feedback along
    with the negative. I believe that [Oldfield’s] company
    best flat variance numbers as well as being a top pro-
    ducer show that he is able to get the most out of his tech-
    nicians through daily feedback. My only concern is that
    he needs to familiarize and train other technicians at key
    customer sites . . . .
    Oldfield met expectations for “Safety and Health,” and
    Zobel commented: “For the most part, work is performed
    safely. More can be done to enforce safety glasses, smoking
    areas, and seat-belts. However, the number of injuries for
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    Lincoln’s heavy equipment department have been fewer over
    the past 6 months, which is a definite improvement.”
    In a section entitled “Manager’s Overall Performance
    Comments,” Zobel wrote:
    There is no denying that [Oldfield] produces strong
    financial numbers and takes care of his larger customers.
    He works hard to get the most out of his people and is
    able to take care of a large volume of work each week. His
    technical problem-solving skills are top notch. [Oldfield]
    has a hard time adapting to change and follow-through
    with directives, regardless of personal preference. More
    improvement is needed in the area of follow-through with
    internal and external customers. Employee communica-
    tion and team building needs to improve as well.
    Oldfield agreed that he could improve his communication
    with internal customers (other NMC departments), but dis-
    agreed that he was deficient in communicating with exter-
    nal customers.
    Under a section entitled “Did employee meet goals/
    perform­ance objectives from the previous review period? Why
    or why not?,” Zobel wrote:
    Partially. Financially, [Oldfield] hit it out of the park
    by finishing $784,348 above budget and $830,347 better
    than 2010. Last labor to invoice improved dramatically
    from 13.56 days in May 2011 to as low as 1.64 days
    in November 2011. This was an impressive improve-
    ment. However, [Oldfield] can be very difficult to work
    with at times due to his resistance to change and slow/
    non-existent follow-up at times. [Flat-rate] jobs perform­
    ance in Lincoln for 2011 was the lowest store at 17.07%.
    This improved later in the year and into 2012, but prog-
    ress was still limited for much of 2011. Monthly meet-
    ings were few, infrequent, and too short. Contamination
    control was not made a priority for most of the year;
    progress required several reminders, emails, and nudges
    from upper management.
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    Oldfield explained that Lincoln’s flat-rate jobs performance
    was the lowest store out of NMC’s three stores because other
    stores had smaller equipment that they worked with, so it was
    easier to apply a flat rate to those jobs. Oldfield testified that
    he looked at each job to see if flat-rate pricing could be done
    and that he had been trying to do more.
    (e) Monski Replaces Zobel
    In spring 2012, Zobel accepted another position and NMC
    hired David Monski to replace him as Oldfield’s supervi-
    sor. Before Monski arrived, Brown and McDermott invited
    Oldfield to lunch. According to Oldfield, Brown and
    McDermott thanked Oldfield for a job he had done and men-
    tioned that Monski was coming to Lincoln. During this meet-
    ing, McDermott told Oldfield that if Monski did not work or
    had problems in Lincoln that they would think that there was
    a problem with the Lincoln store. Oldfield testified that he did
    not know what McDermott meant by that. Oldfield testified
    that he could not recall Brown or McDermott saying any-
    thing about how either of them expected Oldfield to get along
    with Monski.
    (f) Failure to Conduct Appraisals
    At the beginning of each year, Oldfield and other depart-
    ment managers were to conduct appraisals of subordinate
    employees and those employees were to conduct self-­
    appraisals. Oldfield testified that most of the years, he com-
    pleted the appraisals, but that there were some years when not
    all were completed.
    At some point in 2011, McDermott conducted an audit
    appraisal. After learning the number of incomplete apprais-
    als, McDermott talked to Oldfield outside his office, telling
    him that the number was unacceptable and that they needed to
    do better.
    In 2012, Monski sent Oldfield several emails about the
    appraisals. On April 19, Monski emailed Oldfield and another
    employee, asking, “Do you have your techs self-appraisals
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    back yet? Or more importantly have you had them complete
    them yet?” On April 23, Monski emailed Oldfield, asking
    him if he had received the self-appraisals back. Monski also
    advised Oldfield that his appraisals of the employees were
    supposed to have been turned in the prior Friday. A few min-
    utes later, Oldfield responded that he was “waiting on 2.” On
    May 15, Monski sent Oldfield an email advising Oldfield that
    he needed to get his appraisals to Monski before “the 29th”
    when Monski would be out of the office. Oldfield did not
    meet the deadline.
    Finally, on July 5, 2012, Monski issued Oldfield a written
    warning for failure to meet the deadline to complete the per-
    formance appraisals. This warning was issued after Oldfield
    had been given three extensions. In the warning, Monski dis-
    cussed McDermott’s audit of Oldfield’s performance apprais-
    als and stated that the audit showed that from 2002 to 2011,
    over 95 percent of Oldfield’s subordinates had not received a
    formal appraisal or other written feedback. Oldfield could not
    remember the number of appraisals he had not completed, but
    he thought that 95 percent was too high and that the correct
    percentage was closer to 50 percent. In the written warning,
    Oldfield was given a final deadline by which to complete
    the appraisals so as to avoid “further corrective action, up to
    and including termination of employment.” Oldfield met the
    final deadline.
    Oldfield testified that he had gotten behind on appraisals
    because the service writer, whose job was to take customer
    calls and schedule employees for different jobs, did not do a
    good job and eventually left the position. During the 4 months
    that the service writer held the position, Oldfield helped him
    take calls. Oldfield also said that NMC began requiring more
    online reports in 2010, which took service managers extra time.
    Oldfield testified that he was not sure if other NMC managers
    were falling behind on their appraisals, but no other managers
    had as many subordinates as Oldfield. At that time, Oldfield
    had approximately 22 to 25 subordinates.
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    (g) Railroad Service Manager Position
    In the last week of September 2012, two NMC superiors
    approached Oldfield about a railroad service manager position
    in NMC’s railroad division. Although the plan was not ready to
    be put into effect, Oldfield expressed interest.
    (h) September Breakfast Meeting
    On September 24, 2012, Monski held a “breakfast gather-
    ing” with Oldfield’s subordinates; Oldfield was not invited.
    After the gathering, Oldfield emailed Monski, asking how his
    subordinates’ time for that meeting should be billed. Two min-
    utes after that email was sent, Monski responded, “Just training
    will work.” Oldfield directed his shop clerk to enter the time
    for his subordinates who had been at the meeting. Oldfield tes-
    tified that “[o]nce the shop clerk enters [the time,] that [is] the
    number once and for all.” That number “goes into the payroll
    system, and at the end of the month . . . the payroll checks
    come out.”
    On October 3, 2012, Monski sent Oldfield an email stating,
    in relevant part:
    I need to know why your field guy’s [sic] billed
    more than 45 minutes for the “meeting” (breakfast) last
    Monday. If they are calling it a meeting[,] I guess that
    is fine[,] but the “meeting” started at 6:30 and was done
    at the latest 7:10[,] so I expect an answer for this. I am
    fine paying them for 45 minutes if you feel they must be
    paid[,] but no more. Surely not 1.5 hours as some of them
    have billed[,] which should have been caught by you or
    [your shop clerk] when it was done. If they had nothing
    to do I expect it to be charged to idle time or whatever
    they actually were doing but not classroom as the “meet-
    ing” was over.
    Just a quick FYI in case it happens again, I have
    bought breakfast for field guys and even lunch in the
    field, in every location I have been in just because of
    the job they do with NMC. That was partially the reason
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    behind this[,] not an official meeting, going behind your
    back, or any other reason other than to answer any ques-
    tions they may have[,] as they have evidently been voic-
    ing questions and opinions to fellow employees who are
    bringing it to my attention. They all need to understand
    if they have a problem or question with what I am doing
    or what is going on[,] they need to come directly to
    me versus discussing issues with fellow employees or
    [customers]. This type of behavior cannot and will not
    be tolerated. I am also still waiting to hear from you
    which one spoke with [the customer] in regards to this
    “meeting” which made it come off negative and need to
    know today.
    There are also other entries in the classroom training
    work order that have 3 hours and some with overtime.
    Unless driving to and from class there should be no over-
    time associated with classroom training only an 8 hour
    day. You need to [e]nsure your techs and [shop clerk] are
    aware of this as well as monitoring this weekly so it is
    caught prior to final invoicing.
    Thanks
    Eleven minutes later, Monski sent Oldfield another email, stat-
    ing, in relevant part:
    I am still waiting for an answer on the machine which
    was worked on for H&S Plumbing regarding the good
    will request.
    You state you have no time but then continue to think
    that by adding another manager to lighten your load is a
    bad thing. I just do not understand.
    You also need to [e]nsure you are staying on top of the
    steam bay being cleaned up after it is used[,] as well as
    the shop[,] daily not once a week.
    After Oldfield received the email above, he went to talk to
    Monski in person. Oldfield testified that Monski was upset
    with Oldfield for paying the employees, because Monski did
    not consider the breakfast gathering to be a meeting and
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    thought that the employees should not have been paid. Oldfield
    admitted that the employees were paid for their time.
    Oldfield testified that Monski also let Oldfield’s shop clerk
    know that he was not happy about the employees’ being paid
    for the meeting. According to Oldfield, the shop clerk left her
    job at NMC because Monski harassed her about this incident.
    (i) Failure to Disclose Name of Employee
    Who Violated NMC Policy
    As stated in Monski’s email, an employee had spoken with a
    customer about the September 2012 breakfast meeting, which
    was against NMC company policy and a terminable offense.
    Oldfield knew which employee it was, but refused to disclose
    the employee’s identity to Monski, because Oldfield did not
    want the employee to get fired.
    Monski sent the emails above on a Wednesday. On the fol-
    lowing Monday, Monski called Oldfield to his office. When
    Oldfield arrived, McDermott was also there.
    McDermott and Monski gave Oldfield a memorandum
    advising him of the decision to terminate his employment. The
    memorandum stated, in relevant part:
    Despite receiving several warnings regarding our
    behavioral expectations, you continue to behave well
    beneath our established guidelines. More specifically, you
    continue to behave insubordinately by failing to follow
    the reasonable requests of your management team and by
    failing to manage and support the company’s direction
    with your team, clients and coworkers. As stated in the
    Performance and Conduct Policy found within the NMC
    Employee Handbook, “Insubordination, such as refusal
    to do assigned work, inappropriate language or behavior
    toward a supervisor/manager” can result in corrective
    action, up to and including termination of employment.
    Because you have not illustrated the willingness or abil-
    ity to cure these matters we have made the decision to
    terminate your employment.
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    After the memorandum was read through, Oldfield told
    McDermott that he knew Monski had mentioned that he
    was getting close to retirement age but that he did not
    think he was talking this soon. Oldfield testified that neither
    McDermott nor Monski responded to this comment, and the
    meeting ended.
    (j) Monski’s Comment About
    Oldfield’s Retiring
    Oldfield explained that he made the comment about retire-
    ment in response to one comment Monski had made in a meet-
    ing approximately 1 month prior. On September 17, 2012,
    Monski stated that he “‘need[ed] to get someone trained to take
    over for [Oldfield] because one of these days, [Oldfield was]
    going to want to retire.’”
    Oldfield testified that Monski’s comment seemed unusual
    and that it was his experience that having a succession plan
    within a department was not important to NMC. Oldfield testi-
    fied that usually, if someone was going to retire from NMC,
    then the person would tell upper management that they were
    going to retire and then upper management would decide who
    was going to take that person’s place.
    Oldfield admitted that this comment is the sole basis for his
    age discrimination claim.
    2. Facts Presented by NMC
    After Zobel accepted another position, McDermott and two
    other NMC employees met with two or three salespeople to
    discuss matters related to Oldfield. The salespeople expressed
    concern that Oldfield was not adequately communicating with
    customers, and Brown and McDermott decided to have a meet-
    ing with Oldfield and took him to lunch.
    Brown and McDermott talked to Oldfield about the con-
    cerns that Zobel had with Oldfield and Oldfield’s “attitude
    of, If it’s not my idea, I’m not behind it.” According to
    McDermott, he told Oldfield, “you know, we’ve had problems
    with the last branch manager. We’re going to bring another guy
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    in here . . . and if we have the same problems with the new
    guy, then we know that the problem was not with the previous
    store manager.”
    McDermott testified that nothing was put in Oldfield’s per-
    sonnel file about the lunch meeting, because “as long as
    [Oldfield] had been [at NMC], we wanted to give him every
    opportunity to change his habits, come around to our way of
    doing things . . . which was to no avail.” McDermott said that
    Monski also reported problems.
    McDermott testified that he was the one who made the deci-
    sion to fire Oldfield. When asked if he relied upon Monski in
    making that determination, McDermott responded, “Monski
    had input, as well as the input that I’d received from . . .
    Zobel, the input from the meeting with the sales[people];
    but, ultimately, the decision to terminate [Oldfield’s employ-
    ment] was mine.” However, McDermott also made statements
    that suggested Monski was also responsible for the deci-
    sion. For example, when McDermott was asked if a previous
    safety violation had factored into his decision to terminate
    Oldfield, McDermott responded, “Not with mine, personally,
    no.” At one point, McDermott also stated that “we made the
    determination that — I made the determination to terminate”
    Oldfield’s employment.
    In response to questions about why Oldfield’s employment
    was terminated, McDermott stated, “It was an accumulation
    of issues and the fact that it became evident that we were not
    going to be able to work with . . . Oldfield to get him to the
    point where we needed him.” As reasons for the termination,
    McDermott cited Oldfield’s failure to provide Monski with
    information, failure to communicate with customers, failure to
    work with people within his department, failure to train new
    employees, and failure to keep his shop clean, as well as “his
    whole attitude of, It’s my way, if I don’t buy into it, I’m not
    going to do it.”
    As an example of failure to train new or student employees,
    McDermott talked about a new employee who spent months
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    just washing equipment because, according to Oldfield, “the
    young kids, they weren’t any good.”
    McDermott also said, “It was a bigger challenge getting
    the Lincoln location to conform to the [cleanliness] policies
    on an ongoing basis throughout the year [than] in the other
    locations,” which he attributed to the “fact that . . . Oldfield
    did not buy into [cleanliness]; so, therefore, it was not impor-
    tant to him, and then it wouldn’t be important to his team.”
    Oldfield had told McDermott that cleaning was a waste
    of time.
    McDermott also said that Oldfield was against putting a
    service writer in the Lincoln location and that he believed the
    service writer did not succeed because Oldfield did not want
    him to succeed.
    McDermott stated that the “breakfast gathering” issue did
    not factor into his decision to terminate Oldfield’s employment.
    When asked how many warnings Oldfield received,
    McDermott stated that he could not recall the exact number
    but that there was “a pattern of many of them.” He explained,
    “There would have been warnings like the ones I gave him
    about [shop cleanliness], the ones . . . Brown and I gave him
    when we had the [lunch] meeting. [Zobel and Monski] had
    communicated back and forth with him.”
    Oldfield was replaced by two employees. McDermott testi-
    fied that one of them was “probably in his forties” and that the
    other was in his “late thirties.” McDermott was 56 years old at
    the time of the deposition and still working for NMC.
    3. Summary Judgment Granted
    After a hearing, the district court granted summary judg-
    ment in favor of NMC and against Oldfield. The district court
    determined that, even in the light most favorable to Oldfield,
    the evidence failed to raise an inference that NMC’s prof-
    fered reasons for Oldfield’s termination of employment were
    merely a pretext for discrimination or retaliation. The dis-
    trict court also determined that Oldfield’s claim of wrongful
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    termination in violation of public policy was duplicative of
    his age discrimination and retaliation claims.
    III. ASSIGNMENTS OF ERROR
    Oldfield alleges that the district court erred in (1) concluding
    that Oldfield had not presented sufficient evidence to establish
    a prima facie case for discrimination and retaliation, (2) con-
    cluding that NMC offered legitimate reasons for terminating
    Oldfield’s employment, (3) concluding that Oldfield had not
    presented sufficient evidence of pretext to counter NMC’s
    legitimate nondiscriminatory reasons for his claims of termina-
    tion due to both age and retaliation, and (4) not giving Oldfield
    the benefit of every reasonable inference based on the evidence
    presented in a summary judgment proceeding.
    IV. STANDARD OF REVIEW
    [1] In reviewing a summary judgment, an appellate court
    views the evidence in the light most favorable to the party
    against whom the judgment was granted and gives that party
    the benefit of all reasonable inferences deducible from the
    evidence.3
    [2] An appellate court will affirm a lower court’s grant of
    summary judgment if the pleadings and admitted evidence
    show that there is no genuine issue as to any material facts or as
    to the ultimate inferences that may be drawn from the facts and
    that the moving party is entitled to judgment as a matter of law.4
    [3] The interpretation of statutes and regulations presents
    questions of law. We independently review questions of law
    decided by a lower court.5
    V. ANALYSIS
    [4] Unless constitutionally, statutorily, or contractually
    prohibited, an employer, without incurring liability, may
    3
    Coffey v. Planet Group, 
    287 Neb. 834
    , 
    845 N.W.2d 255
     (2014).
    4
    
    Id.
    5
    
    Id.
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    terminate an at-will employee at any time with or without rea-
    son.6 However, we have recognized a public policy exception
    to the at-will employment doctrine.7 As noted above, Oldfield
    alleged in his amended complaint that NMC’s decision to
    terminate his employment violated the ADEA, the FELA, and
    public policy. On appeal, he claims that the district court erred
    in granting summary judgment in favor of NMC.
    [5,6] On a motion for summary judgment, the question is
    not how a factual issue is to be decided, but whether any real
    issue of material fact exists.8 Summary judgment is proper
    when the pleadings and evidence admitted at the hearing dis-
    close that there is no genuine issue as to any material fact or as
    to the ultimate inferences that may be drawn from those facts
    and that the moving party is entitled to judgment as a matter
    of law.9
    We note that both parties, as well as the district court,
    have analyzed the age discrimination claim and the retaliation
    claim using the three-part burden-shifting framework from
    McDonnell Douglas Corp. v. Green.10 The McDonnell Douglas
    Corp. framework is a procedural device of order of proof and
    production, designed to force an employer to reveal informa-
    tion that is available only to the employer, i.e., any unstated
    reasons for the adverse employment action, as well as any dis-
    cretionary factors underlying its decision.11
    But, although the burden of production shifts between
    the plaintiff and the employer, the plaintiff retains the ulti-
    mate burden of persuasion,12 and the ultimate question is
    6
    
    Id.
    7
    See 
    id.
    8
    Melick v. Schmidt, 
    251 Neb. 372
    , 
    557 N.W.2d 645
     (1997).
    9
    Strode v. City of Ashland, 
    295 Neb. 44
    , 
    886 N.W.2d 293
     (2016).
    10
    McDonnell Douglas Corp. v. Green, 
    411 U.S. 792
    , 
    93 S. Ct. 1817
    , 
    36 L. Ed. 2d 668
     (1973).
    11
    Hartley v. Metropolitan Util. Dist., 
    294 Neb. 870
    , 
    885 N.W.2d 675
     (2016).
    12
    
    Id.
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    d­ iscrimination or retaliation vel non.13 Thus, in our review
    of this summary judgment action, we focus on the ultimate
    question of whether NMC violated the ADEA, the FELA, or
    public policy and determine whether the moving party, NMC,
    satisfied its burden to prove that no genuine issue of mate-
    rial fact exists and whether it produced sufficient evidence
    to demonstrate that NMC is entitled to judgment as a matter
    of law.14 In other words, we consider whether NMC satisfied
    its burden to show that there is no evidence or reasonable
    inference that NMC violated the ADEA, the FELA, or pub-
    lic policy.
    1. ADEA
    The ADEA makes it unlawful for an employer to discharge
    or discriminate against any individual because of such indi-
    vidual’s age, unless the reasonable demands of the position
    require an age distinction.15 The Nebraska ADEA is patterned
    after the federal Age Discrimination in Employment Act of
    1967,16 so, in construing the Nebraska ADEA, it is appropriate
    to look to federal decisions interpreting the federal act.17
    [7] The ultimate issue in an age discrimination case is
    whether age was a determining factor in the employer’s deci-
    sion to take the adverse employment action.18 NMC sought
    to prove that age was not a determining factor in Oldfield’s
    termination of employment by setting forth evidence of its
    legitimate and nondiscriminatory reasons for the termination,
    13
    See, St. Mary’s Honor Center v. Hicks, 
    509 U.S. 502
    , 
    113 S. Ct. 2742
    ,
    
    125 L. Ed. 2d 407
     (1993); Billingsley v. BFM Liquor Mgmt., 
    264 Neb. 56
    , 70, 
    645 N.W.2d 791
    , 803 (2002) (“[t]he ultimate issue is whether
    age was a determining factor in the employer’s decision” to take adverse
    employment action).
    14
    See Melick v. Schmidt, 
    supra note 8
    .
    15
    § 48-1004(1).
    16
    See 
    29 U.S.C. §§ 621
     to 634 (2012 & Supp. II 2014).
    17
    See Billingsley v. BFM Liquor Mgmt., supra note 13.
    18
    Id.
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    namely that Oldfield was having performance issues and was
    not getting along with his supervisor.
    The material facts are not in dispute. Although Oldfield’s
    testimony put certain performance issues and behavioral issues
    in dispute, Oldfield admitted to a plethora of other issues that
    NMC had with Oldfield. He admitted, among other things,
    that during the last few years of his employment, he argued
    with his supervisor about new policies and procedures, he
    failed to conform with NMC’s uniform policy, he failed to
    make his shop’s appearance comply with upper management’s
    expectations, he did not hold monthly meetings as often as
    instructed, he needed to improve on communicating with
    internal customers, he did not complete at least 50 percent
    of performance appraisals for his subordinates from 2002 to
    2011, and he refused to comply with his supervisor’s direct
    orders to disclose the name of an employee who had violated
    company policy.
    [8] Oldfield argues that in light of Monski’s comment about
    Oldfield’s retirement, NMC’s motivation in terminating his
    employment is still in dispute. However, to survive summary
    judgment, Oldfield “must do more than simply create a factual
    dispute as to the issue of pretext; he must offer sufficient evi-
    dence for a reasonable trier of fact to infer discrimination.”19
    Even viewing the evidence in the light most favorable to
    Oldfield, we conclude that no reasonable trier of fact could
    infer that NMC discriminated against him on the basis of
    his age.
    Oldfield admitted in his deposition testimony that the sole
    basis for his age discrimination claim was a single comment
    of Monski’s that he “‘need[ed] to get someone trained to take
    over for [Oldfield] because one of these days, [Oldfield was]
    going to want to retire.’” But, one isolated comment about
    retirement is not enough to demonstrate pretext for purposes
    19
    See Mathews v. Trilogy Communications, Inc., 
    143 F.3d 1160
    , 1165 (8th
    Cir. 1998).
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    of age discrimination.20 Although “retirement inquiries can
    sometimes be so unnecessary and excessive as to constitute
    evidence of discriminatory harassment,”21 such was not the
    case here, where Monski made only a single comment.
    [9] Instead, there was simply no evidence of discrimina-
    tory animus. A plaintiff may show discriminatory animus by
    showing that the proffered reason for the adverse employment
    action was pretext for discrimination.22 The plaintiff may do so,
    among other ways, by showing that the employer (1) failed to
    follow its own policies, (2) treated similarly situated employ-
    ees in a disparate manner, or (3) shifted its explanation of the
    employment decision.23
    Oldfield claims that he showed NMC failed to follow its
    own policies when it did not formally document all warnings
    to Oldfield. However, a review of an exhibit which Oldfield
    agreed was NMC’s company manual shows that NMC did
    not require itself to document every warning. In fact, the
    manual states:
    [A]ll of [NMC’s] employees are considered to be “at-
    will” and may be terminated at any time, with or with-
    out cause or advance notice. As further detailed below,
    disciplinary action may include any one or combination
    of the following steps — verbal warning, written warn-
    ing, suspension with or without pay or termination of
    employment. Depending on the severity of the problem
    and the number of occurrences, [NMC] reserves the
    right to immediately terminate an employee, even upon
    a first offense.
    Next, Oldfield claims that he showed that NMC “treated
    similarly-situated employees in a disparate manner” by hiring
    20
    See, Ziegler v. Beverly Enterprises-Minnesota, Inc., 
    133 F.3d 671
     (8th Cir.
    1998); Barket v. Nextira One, 
    72 Fed. Appx. 508
     (8th Cir. 2003).
    21
    See Montgomery v. John Deere & Co., 
    169 F.3d 556
    , 560 (8th Cir. 1999).
    22
    Hartley v. Metropolitan Util. Dist., 
    supra note 11
    .
    23
    Gibson v. American Greetings Corp., 
    670 F.3d 844
     (8th Cir. 2012).
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    “two considerably younger men to assume [Oldfield’s] prior
    position.”24 However, the only evidence of the employees’
    ages was McDermott’s testimony that one was in his “late thir-
    ties” and the other was “probably in his forties.” Moreover, to
    be similarly situated, the two employees would have to have
    performance issues similar to Oldfield. There was no evidence
    that these employees had performance issues.
    Oldfield also claims that he showed pretext because NMC
    allegedly shifted its explanation for the employment decision.
    In support of his argument, Oldfield points to McDermott’s
    testimony, which he says “illustrate[s] that there was no spe-
    cific incident” that led to Oldfield’s termination of employ-
    ment.25 However, the fact that Oldfield was terminated for “an
    accumulation of issues,” rather than just one, does not mean
    that NMC has shifted its explanation. Instead, McDermott’s
    testimony was consistent and matches the memorandum that
    Oldfield received, which explained that the reason he was
    terminated was because of insubordination and perform­
    ance issues.
    In sum, based on the undisputed evidence of Oldfield’s per-
    formance issues, we conclude that no reasonable trier of fact
    could infer from one isolated statement that NMC terminated
    his employment for discriminatory reasons.
    2. FEPA
    [10] Both federal law and the FEPA make it unlawful for
    an employer to discriminate against its employee on the basis
    of the employee’s opposition to an unlawful employment
    practice.26 We have said that “[a]n employee is protected by
    FEPA from employer retaliation for his or her opposition to
    an act of the employer only when the employee reasonably
    24
    Brief for appellant at 8, 16.
    25
    Id. at 17.
    26
    See, 42 U.S.C. § 2000e-3(a) (2012); § 48-1114.
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    and in good faith believes the act to be unlawful.”27 In order
    for such a belief to be reasonable, the act believed to be unlaw-
    ful must either in fact be unlawful or at least be of a type that
    is unlawful.28
    After reviewing the pleadings and the evidence presented,
    we conclude that NMC did not engage in an unlawful practice;
    that Oldfield could not have reasonably believed that NMC was
    engaging in an unlawful practice; and that even if Oldfield had
    established that he reasonably believed the act to be unlawful,
    he failed to show that his termination was causally connected
    to his alleged reporting of an unlawful practice.
    As noted by the district court, “[t]he crux of Oldfield’s claim
    is that he was terminated after reporting alleged violations
    of the federal Fair Labor Standards Act with respect to non-
    payment of wages to his subordinates for their time spent at a
    breakfast meeting with NMC manager . . . Monski.” However,
    Oldfield admits that the employees were actually paid for that
    meeting, so clearly, there is no evidence that NMC engaged in
    an unlawful practice.
    And Oldfield could not have reasonably believed that NMC
    was engaged in an unlawful practice. After the breakfast meet-
    ing, Oldfield sent Monski an email asking how the time should
    be recorded and Monski responded, “Just training will work.”
    Oldfield then instructed his shop clerk to enter the time for his
    subordinates. Oldfield admitted that once the shop clerk enters
    the number of hours for the subordinates into the payroll sys-
    tem, then that is the number of hours for which the subordi-
    nates will be paid. Accordingly, the evidence shows that the
    subordinates were lawfully paid and Oldfield could not have
    reasonably believed that they were not.
    Moreover, the evidence does not reflect a causal connec-
    tion between Oldfield’s alleged reporting of an unlawful
    27
    Wolfe v. Becton Dickinson & Co., 
    266 Neb. 53
    , 61, 
    662 N.W.2d 599
    , 605
    (2003).
    28
    
    Id.
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    practice and his termination of employment. Oldfield alleges
    that in addition to the evidence of pretext, which we rejected
    above, his evidence of temporal proximity (approximately 3
    weeks) shows that there was a nexus. However, generally, a
    temporal connection between the protected conduct and the
    adverse employment action by itself is not enough to pre­sent
    a genuine factual issue on retaliation.29 This is especially true
    where, as here, the evidence shows that the employer was
    concerned about a problem before the alleged protected con-
    duct occurred.30 Here, Oldfield admits that prior to his alleged
    protected conduct, he had, among other things, argued with his
    supervisor about new policies and procedures, failed to make
    his shop’s appearance comply with upper management’s expec-
    tations, failed to hold monthly meetings, failed to sufficiently
    communicate with internal customers, and failed to complete at
    least 50 percent of performance appraisals for his subordinates
    from 2002 to 2011.
    In light of this evidence, and the fact that Oldfield’s act of
    insubordination (failing to disclose the name of the employee
    who violated company policy) was within 2 days of his ter-
    mination, we conclude that no rational jury could find that
    Oldfield’s termination was a result of retaliation. Therefore, the
    district court properly granted summary judgment in favor of
    NMC with respect to the retaliation claim.
    3. Public Policy
    [11-13] Under the public policy exception to the at-will
    employment doctrine, an employee can claim damages for
    29
    Hervey v. County of Koochiching, 
    527 F.3d 711
     (8th Cir. 2008) (quoting
    Kiel v. Select Artificials, Inc., 
    169 F.3d 1131
     (8th Cir. 1999)).
    30
    See 
    id.
     (quoting Smith v. Allen Health Systems, Inc., 
    302 F.3d 827
     (8th
    Cir. 2002), and citing Slattery v. Swiss Reinsurance America Corp., 
    248 F.3d 87
    , 95 (2d Cir. 2001) (“[w]here timing is the only basis for a claim of
    retaliation, and gradual adverse job actions began well before the plaintiff
    had ever engaged in any protected activity, an inference of retaliation does
    not arise”)).
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    wrongful discharge when the motivation for the firing contra-
    venes public policy.31 The public policy exception is restricted
    to cases when a clear mandate of public policy has been vio-
    lated, and it should be limited to manageable and clear stan-
    dards.32 In determining whether a clear mandate of public pol-
    icy is violated, courts should inquire whether the employer’s
    conduct contravenes the letter or purpose of a constitutional,
    statutory, or regulatory provision or scheme.33
    In Oldfield’s amended complaint, he alleges that his ter-
    mination of employment violated Nebraska common law
    and Nebraska public policy “against employers discharging
    employees from such a tenured position for unjustifiable rea-
    sons.” But the “unjustifiable reasons” proffered by Oldfield
    are the same as his statutory reasons, i.e., that his termination
    of employment was a result of discrimination on the basis of
    his age and also retaliation for reporting an allegedly unlawful
    activity. In this respect, Oldfield’s claim is duplicative of his
    ADEA and FELA claims, which we have already addressed
    and found to be meritless. Therefore, the district court properly
    granted summary judgment in favor of NMC with respect to
    Oldfield’s public policy claim.
    VI. CONCLUSION
    For the foregoing reasons, we conclude that Oldfield’s
    assignments of error are without merit. We therefore affirm the
    judgment of the district court, granting summary judgment in
    favor of NMC and against Oldfield.
    A ffirmed.
    Miller-Lerman, J., not participating.
    31
    Coffey v. Planet Group, supra note 3.
    32
    Id.
    33
    Id.