Hobert Tackett v. M&G Polymers USA, LLC , 733 F.3d 589 ( 2013 )


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  •                     RECOMMENDED FOR FULL-TEXT PUBLICATION
    Pursuant to Sixth Circuit I.O.P. 32.1(b)
    File Name: 13a0219p.06
    UNITED STATES COURT OF APPEALS
    FOR THE SIXTH CIRCUIT
    _________________
    X
    PYLES, UNITED STEEL, PAPER AND FORESTRY, -
    HOBERT FREEL TACKETT, WOODROW K.
    RUBBER, MANUFACTURING, ENERGY, ALLIED --
    -
    Nos. 12-3329/3407
    INDUSTRIAL AND SERVICE WORKERS
    ,
    >
    -
    INTERNATIONAL UNION, and HARLAN B.
    Plaintiffs-Appellees/Cross-Appellants, -
    CONLEY,
    -
    -
    -
    -
    v.
    -
    -
    M&G POLYMERS USA, LLC, M&G
    -
    POLYMERS USA, LLC COMPREHENSIVE
    MEDICAL BENEFITS PROGRAM FOR                      -
    -
    -
    EMPLOYEES AND THEIR DEPENDENTS, M&G
    -
    CATASTROPHIC MEDICAL PLAN, M&G
    -
    MEDICAL NECESSITY BENEFITS PROGRAM OF
    HOSPITAL, SURGICAL, MEDICAL, AND                  -
    -
    -
    PRESCRIPTION DRUG BENEFITS FOR
    -
    EMPLOYEES AND THEIR DEPENDENTS, and
    -
    M&G MAJOR MEDICAL BENEFITS PLAN,
    Defendants-Appellants/Cross-Appellees. -
    N
    Appeal from the United States District Court
    for the Southern District of Ohio at Columbus.
    No. 2:07-cv-126—Gregory L. Frost, District Judge.
    Argued: March 15, 2013
    Decided and Filed: August 12, 2013
    Before: KEITH, MARTIN, and COLE, Circuit Judges.
    _________________
    COUNSEL
    ARGUED: Philip A. Miscimarra, MORGAN, LEWIS & BOCKIUS LLP, Chicago,
    Illinois, for Appellants/Cross-Appellees. David M. Cook, COOK & LOGOTHETIS,
    LLC, Cincinnati, Ohio, for Appellees/Cross-Appellants. ON BRIEF: Philip A.
    Miscimarra, MORGAN, LEWIS & BOCKIUS LLP, Chicago, Illinois, Christopher A.
    Weals, MORGAN, LEWIS & BOCKIUS LLP, Washington, D.C., for Appellants/Cross-
    1
    Nos. 12-3329/3407           Tackett, et al. v. M&G Polymers USA, et al.                       Page 2
    Appellees. David M. Cook, Jennie G. Arnold, Claire W. Bushorn, COOK &
    LOGOTHETIS, LLC, Cincinnati, Ohio, for Appellees/Cross-Appellants.
    _________________
    OPINION
    _________________
    COLE, Circuit Judge. Defendants-Appellants Cross-Appellees M&G Polymers
    USA, LLC (“M&G”) and associated health plans appeal the permanent injunction
    granted by the district court in favor of Plaintiffs-Appellees Cross-Appellants, retirees
    and dependents of retirees from an M&G plant and the union that currently represents
    plant employees.1 Plaintiffs brought a class action suit against Defendants after M&G
    announced that Plaintiffs would be required to make health care contributions. After a
    bench trial, the district court found Defendants liable for violating both a labor
    agreement and an employee welfare benefit plan. The district court issued a permanent
    injunction ordering Defendants to reinstate Plaintiffs to the current versions of the
    benefits plans they were enrolled in until 2007 to receive health care for life without
    contributions.
    While Defendants ask this Court to reverse the liability determination and
    injunction, Plaintiffs request this Court to reinstate certain Plaintiffs to the pre-2007
    versions of their benefits plan. Defendants argue that the district court clearly erred
    when it found that (1) certain letters requiring retiree contributions to health care costs
    were not a part of Plaintiffs’ labor agreements; and (2) Plaintiffs’ right to lifetime health
    care vested at retirement. Plaintiffs cross-appeal, arguing that, although the district court
    correctly held that their right to lifetime contribution-free benefits vested, the district
    court erred by restoring them to the current versions of their benefits plan, as opposed
    to the pre-2007 versions. We affirm the judgment of the district court.
    I.
    1
    Hobert Freel Tackett; Woodrow K. Pyles; Harlan B. Conley; and United Steel, Paper & Forestry,
    Rubber, Manufacturing, Energy, Allied Industrial & Service Workers International Union.
    Nos. 12-3329/3407       Tackett, et al. v. M&G Polymers USA, et al.               Page 3
    The named plaintiffs are Ohio residents and retirees from the Apple Grove, West
    Virginia Point Pleasant Polyester Plant (“Apple Grove”), which M&G has owned since
    2000. From 1992 to 2000, Apple Grove was owned by Shell Chemical Company
    (“Shell”). Prior to 1992, it was owned by The Goodyear Tire & Rubber Company
    (“Goodyear”).
    Plaintiffs and similarly situated retirees belong to Local Union 644 (“Local 644")
    of the United Steel, Paper & Forestry, Rubber, Manufacturing, Energy, Allied Industrial
    & Service Workers International Union, AFL-CIO (“USW”), which currently represents
    Apple Grove employees. Prior to 1995, Local 644 belonged to the United Rubber
    Workers (“URW”), which merged with the USW in 1995. Over the years that Apple
    Grove was owned by Goodyear, Shell and M&G, Local 644 entered into a number of
    labor agreements.
    Typically, the union as a whole—first the URW and later the USW—would
    negotiate a “master” agreement with the employer. Individual plants would adopt an
    agreement in one of three ways: (1) some plants directly participated in the “master
    bargaining” with the employer and entered into the master agreement itself; (2) some
    plants separately adopted “me-too” agreements that were the same as the master
    agreement; and (3) some plants, including Apple Grove according to Plaintiffs,
    negotiated “me-too with exceptions” agreements, meaning that they adopted agreements
    based on the master agreement, but with certain exceptions or differences. M&G,
    however, claims that Apple Grove was a “‘me-too’ location[]” that “had a consistent
    practice of applying the ‘master agreement’ settlement year-after-year.”
    While Apple Grove was owned by Goodyear, Goodyear and Local 644 entered
    into a collective bargaining agreement (“1991 CBA”) effective November 6, 1991, to
    November 6, 1994, and a collectively bargained Pension, Insurance and Service Award
    Agreement effective May 15, 1991, to May 15, 1994, (“1991 Master P&I Agreement”).
    The 1991 Master P&I Agreement described, among other things, the health care benefits
    that retirees could expect to receive. A “side letter” (“1991 Letter G”) was part of the
    Nos. 12-3329/3407        Tackett, et al. v. M&G Polymers USA, et al.                 Page 4
    1991 Master P&I Agreement for certain URW locals, but not necessarily all. The 1991
    Letter G stated:
    If the average annual cost of health care benefits [per retiree who retires
    on or after May 1, 1991, including his/her spouse] exceeds [$10,500 for
    retirees (including surviving spouses) under age 65 and $4200 for retirees
    (including surviving spouses) over age 65], the cost in excess . . . shall
    be allocated evenly to all retired employees (including surviving spouses)
    in such group.
    The 1991 Letter G also specified that the required contributions would not begin until
    July 1, 1997.
    Also, a Summary Plan Description (“SPD”), effective as of May 15, 1991, stated
    that the “Company has established a required maximum average annual company cost
    per retiree for medical coverage,” and set this maximum at $10,500 per year for each
    retiree under age 65 and $4,200 per year for each retiree over age 65 (surviving spouses
    included). It provided that the cost of any excess above the maximums would be
    allocated among all members of the group of retirees evenly, and that contributions
    would not begin until at least July 1, 1997.
    In 1992, Shell bought Apple Grove and, in 1993, formally adopted the Goodyear
    benefit plans previously in effect at the plant. In 1994, Shell and the URW and some
    URW locals entered into the “1994 Master P&I Agreement” which, for some URW
    locals, included a side letter: “1994 Letter G.” The same year, Shell and Local 644
    entered into another collective bargaining agreement, the “1994 CBA,” effective
    November 6, 1994 to November 6, 1997.
    On May 9, 1997, Shell and the USW (the current union) entered into the “1997
    Goodyear Master P&I Agreement,” which was effective until May 9, 2003. This
    agreement included, for some USW locals, a side letter: “1997 letter H.”                On
    November 6, 1997, Shell and the USW and Local 644 entered into the “1997 CBA,”
    effective until November 6, 2000.
    Nos. 12-3329/3407            Tackett, et al. v. M&G Polymers USA, et al.                         Page 5
    M&G bought Apple Grove in 2000. In September 2000, M&G and the USW and
    Local 644 entered into the “2000 CBA.” A P&I Agreement, effective on Nov, 6 2000,
    accompanied the 2000 CBA. In 2003, M&G and the USW, acting on behalf of Local
    644, began bargaining over the next collective bargaining agreement. The bargaining
    continued through August 2005, and included more than sixty days of negotiations. On
    August 9, 2005, M&G and the USW on behalf of Local 644 entered the “2005 CBA,”
    to be effective August 9, 2005 to November 5, 2008. The 2005 CBA included Letter of
    Understanding 2003-6 (“LOU 2003-6 ”). All Plaintiffs were, prior to retirement, active
    employees under one or more of the above CBAs.
    The 2000 P&I contained the following language:
    Employees who retire on or after January 1, 1996 and who are eligible
    for and receiving a monthly pension under the 1993 Pension Plan . . .
    whose full years of attained age and full years of attained continuous
    service . . . at the time of retirement equals 95 or more points will receive
    a full Company contribution towards the cost of [health-care]
    benefits . . . . Employees who have less than 95 points at the time of
    retirement will receive a reduced Company contribution. The Company
    contribution will be reduced by 2% for every point less than 95.
    Employees will be required to pay the balance of the health care
    contribution, as estimated by the Company annually in advance, for the
    [health care] benefits . . . . Failure to pay the required medical
    contribution will result in cancellation of coverage.
    The 1994 and 1997 P&I Agreements contained similar language.2                              Each P&I
    Agreement, once reached, was printed as a booklet and distributed to local union
    members.
    2
    The 1994 and 1997 Master P&Is contain nearly identical language, except instead of referencing
    the “1993 Pension plan,” they reference the “1950 Pension Plan.” The 1991 P&I states:
    Employees who retire with 10 or more years of continuous service and who are eligible
    and receiving a monthly pension under the 1950 Pension Plan for a pension (other than
    a deferred vested pension), shall receive the benefits described in this [section];
    provided, however, that each Employee eligible under the 1950 Pension Plan for a
    deferred vested pension whose employment with the Employer is terminated during or
    subsequent to the month in which he attained age 60 shall also receive such benefits
    effective as of the first day of the month for which he receives a deferred vested
    pension.
    Nos. 12-3329/3407        Tackett, et al. v. M&G Polymers USA, et al.                Page 6
    The side letters were also known as “cap letters” because they “capped” the
    company’s contribution towards the cost of retiree health care benefits. 1991 Letter G
    was the first such letter. 1994 Letter G, 1997 Letter H and LOU 2003-6 were also “cap
    letters,” similar to 1991 Letter G, specifying various coverage maximums and “bite
    dates” when required contributions would begin. The letters were not reproduced in P&I
    booklets and allegedly not ratified as part of the local agreement.
    In December 2006, M&G announced that it would begin requiring retirees to
    contribute to the cost of their medical benefits. See Tackett v. M&G Polymers, USA,
    LLC (Tackett I), 
    561 F.3d 478
    , 480 (6th Cir. 2009) (per curiam). At the time, each
    Plaintiff was enrolled in either (1) the Medical Necessity Plan; (2) the Catastrophic Plan;
    or (3) the Comprehensive Plan. Some Plaintiffs refused to pay premiums and were
    dropped from coverage. Other Plaintiffs paid premiums, even if under protest, and
    remained enrolled in their plans.
    Plaintiffs filed suit on February 9, 2007. Plaintiffs contended that the promise
    of a “full Company contribution towards the cost of [health care] benefits” in the CBAs
    provided them with a vested right to receive health care benefits in retirement without
    making any contributions. Tackett I, 
    561 F.3d at 482
    . Defendants contended that
    various other agreements between Local 644 and the successive employers, specifically
    the cap letters, limited that promise.
    Plaintiffs’ amended complaint stated three claims: (1) violation of labor
    agreements under § 301 of the Labor Management Relations Act (“LMRA”), 
    29 U.S.C. § 185
    (a); (2) violation of an employee welfare benefit plan under §§ 502(a)(1)(B) of the
    Employee Retirement Income Security Act of 1974 (“ERISA”), 
    29 U.S.C. §§ 1132
    (a)(1)(B); and (3) breach of fiduciary duty under § 502(a)(3) of ERISA,
    
    29 U.S.C. § 1132
     (a)(3).
    The district court granted Defendants’ motion to dismiss on all three counts and
    Plaintiffs appealed to this Court. We affirmed the dismissal of the breach of fiduciary
    duty claim, but reversed the dismissals of and remanded the first two claims. Tackett I,
    Nos. 12-3329/3407            Tackett, et al. v. M&G Polymers USA, et al.                         Page 7
    
    561 F.3d at 493
    . Then, the district court conducted a bench trial on the issue of liability.
    Eight witnesses testified at the bench trial. For Plaintiffs: two Apple Grove
    retirees (Woodrow Pyles and Hobert Tackett), and four former union negotiators (Ron
    Hoover, Randall Moore, Karen Shipley, and Brian Wedge). For Defendants: M&G’s
    Human Resources director for Apple Grove (Kimm Korber), and a former M&G
    negotiator (Robert Long).            The district court opinion amply summarizes their
    testimonies. See Tackett v. M & G Polymers USA, LLC, 
    853 F. Supp.2d 697
    , 703–09
    (S.D. Ohio 2012).
    After the trial, the district court found in favor of Plaintiffs on both remaining
    claims.       Plaintiffs moved for a permanent injunction to reinstate their lifetime
    contribution-free health care benefits. The district court ordered that Plaintiffs be
    reinstated, but to the post-2007 versions of their plans.
    Defendants appeal the liability ruling and, accordingly, seek to have the
    permanent injunction dissolved.             Plaintiffs appeal the portion of the permanent
    injunction that orders retirees and dependents previously enrolled in the pre-2007
    Comprehensive Plan or Catastrophic Plan to be enrolled in the current Comprehensive
    Plan instead of being reinstated to the pre-2007 Comprehensive Plan.3
    II.
    After a bench trial, we review the district court’s factual findings for clear error
    and its legal conclusions de novo. Lincoln Elec. Co. v. St. Paul Fire & Marine Ins. Co.,
    
    210 F.3d 672
    , 683 (6th Cir. 2000) (citation omitted). We review the scope of a
    permanent injunction for an abuse of discretion. Lee v. City of Columbus, 
    636 F.3d 245
    ,
    249 (6th Cir. 2011) (citation omitted). “The district court abuses its discretion when it
    relies on clearly erroneous findings of fact, uses an erroneous legal standard, or
    3
    Plaintiffs previously enrolled in the Medical Necessity Plan do not object to being enrolled in
    the current version.
    Nos. 12-3329/3407        Tackett, et al. v. M&G Polymers USA, et al.                 Page 8
    improperly applies the law.” See United States v. Lawrence, 
    555 F.3d 254
    , 261 (6th Cir.
    2009) (quotation omitted).
    The liability determination in this case hinges on whether the collectively
    bargained agreements between Plaintiffs and Defendants vested in Plaintiffs a right to
    lifetime no-contribution health care benefits. A health care plan is a welfare benefit plan
    which, unlike a pension plan, does not vest automatically, but only “if the parties so
    intended when they executed the applicable labor agreements.” See Noe v. Polyone
    Corp., 
    520 F.3d 548
    , 552 (6th Cir. 2008). To vest, in this context, means to remain
    binding “beyond the expiration of the collective bargaining agreement.” See UAW v.
    Yard-Man, Inc., 
    716 F.2d 1476
    , 1479 (6th Cir. 1983). Substantive federal law governs
    the analysis. See 
    id.
    A.
    In Tackett I, we said that the P&I language indicated a desire to vest benefits:
    First, the “full Company contribution” language suggests that the
    parties intended the employer to cover the full cost of health-care
    benefits for those employees meeting the age and term-of-service
    requirements. Keeping in mind the context of the labor-management
    negotiations identified in Yard-Man, [
    716 F.2d 1476
     (6th Cir. 1983)] we
    find it unlikely that Plaintiff USW would agree to language that ensures
    its members a “full Company contribution,” if the company could
    unilaterally change the level of contribution. The CBA has no limitation
    on the amount of a company contribution and if the Defendants’
    argument were accepted, the company presumably could lower the
    contribution to zero without violating this language. Such a promise
    would be illusory.
    Second, the limiting language, “[e]mployees will be required to
    pay the balance of the health care contribution,” follows the provision
    requiring contributions by those retirees who had not attained the
    requisite seniority points. From the placement of this language, we can
    reasonably infer that it did not apply to all retirees, but only to those
    retirees who had not attained the requisite seniority points.
    Third, the collective bargaining agreement tied eligibility for
    health-care benefits to pension benefits. This is another factor indicating
    that the parties intended the health care benefits to vest upon retirement.
    Nos. 12-3329/3407          Tackett, et al. v. M&G Polymers USA, et al.              Page 9
    
    561 F.3d at 490
    . Subsequently, we described this analysis as “[t]he determination above
    that the parties intended health care benefits to vest [which] carries over to the ERISA
    § 502(a)(1)(B) claim.” Id. at 491. According to the district court, “[b]y presenting the
    intended vesting as a fact leading to the result that Plaintiffs had presented a plausible
    claim, the appellate court pointedly issued a conclusion instead of merely recognizing
    a credible possibility.”
    Although we applied general principles of contract interpretation in Tackett I, see
    
    561 F.3d at
    489–90, we did not apply them to a complete factual record as would have
    been necessary for a conclusive determination of the vesting issue. For example, it was
    a matter of factual dispute whether the side letters were part of the CBA. If part of the
    CBA, they would have been relevant to the issue of vesting. However, this Court found
    them to be “extrinsic” to the Rule 12(b)(6) analysis because they were not part of the
    pleadings. See 
    id.
     at 487 n.6 (citing approvingly the district court’s “note[]” that the
    “‘unusual’ procedural posture of the case . . . allowed the court to consider the Letter
    Agreements in a [Rule] 12(b)(1) motion but not in the [Rule] 12(b)(6) motion.”).
    Tackett I also limited its “determination[s]” to the Rule 12(b)(6) context in two
    other ways. First, prior to embarking on the Rule 12(b)(6) analysis, which contains the
    language relied on by the district court, the Tackett I panel pointedly declined to convert
    Defendants’ Rule 12(b)(6) motion into a Rule 56 motion for summary judgment. See
    
    id.
     at 487–88. The panel concluded that it “w[ould] not consider matters extrinsic to the
    pleadings and [would] proceed to review the district court’s Rule 12(b)(6) analysis.” 
    Id. at 488
    . Second, the panel acknowledged the possibility that the district court might
    determine on remand that Plaintiffs did not have vested benefits. See 
    id.
     at 493 n.11.
    For these reasons, Tackett I did not conclusively determine that Plaintiffs’ retirement
    benefits had vested.
    Nos. 12-3329/3407         Tackett, et al. v. M&G Polymers USA, et al.               Page 10
    B.
    Fortunately, the district court’s determination that benefits had vested did not rest
    solely on a misinterpretation of Tackett I. The district court also performed its own
    analysis of the facts, which led it to conclude that the cap letters were not part of the
    Apple Grove CBA and that vesting occurred. The district court considered the following
    evidence, in addition to the P&I agreement: (1) documents indicating an agreement
    between the union and the employers to “cap” health benefits, several “side” letters and
    the SPD, which were part of the “master” agreements; (2) P&I booklets circulated to
    Apple Grove employees that described, among other things, retiree benefits, and did not
    contain any “capping” documents; (3) testimony from individuals involved in “master”
    negotiations, Apple Grove local negotiations or both. See Sw. Williamson Cnty. Cmty.
    Ass’n, Inc. v. Slater, 
    173 F.3d 1033
    , 1036 (6th Cir. 1999) (citing Dandridge v. Williams,
    
    397 U.S. 471
    , 475 n.6 (1970)) (holding that an appellate court can affirm district court
    on alternate grounds supported by the record).
    Whether the cap letters were part of Apple Grove’s CBAs is an issue of fact,
    reviewable only for clear error. See Thomasville Furniture Indus., Inc. v. JGR, Inc., 3
    F. App’x 467, 473 (6th Cir. 2001) (“Whether a given document is part of a written
    contract is a question of fact.” (citing Greenberg v. The Life Ins. Co. of Va., 
    177 F.3d 507
    , 516 (6th Cir. 1999) (additional citation omitted))). The district court did not clearly
    err in finding the cap agreements inapplicable to Apple Grove.
    M&G argues that the conduct of union representatives from 1991 to 2005 was
    inconsistent with the district court’s interpretation of the CBAs and P&Is as not
    including the cap letters. M&G claims that even the testimony of Plaintiffs’ witnesses
    demonstrates that union representatives did not believe there was a vested right to
    lifetime no-contribution benefits for Apple Grove retirees. The most persuasive
    evidence cited by M&G is the “internal union conversations” that appear to indicate that
    at least some union representatives believed the cap letters to apply. Moore testified that
    he had been told by some local committee members that the 1997 Letter H applied, but
    that, despite “seach[ing] extensively,” he could not find “any document indicating it had
    Nos. 12-3329/3407         Tackett, et al. v. M&G Polymers USA, et al.               Page 11
    been adopted or ratified by the local.” Hoover advised Moore and Shipley that “if” they
    used “a letter like Goodyear,” they should “move the damn dates out or your retirees are
    going to get hit with a premium.” Moore testified that Shipley told him that she was told
    “to be aware that there was a Letter H.”
    Although these statements certainly have the potential to imply that cap
    agreements were applicable, they need not be dispositive. Hoover participated in the
    master bargaining, which undisputedly included cap letters. However, he did not
    participate in local bargaining for Apple Grove, and the fact that he told some Apple
    Grove negotiators about the cap letters in the master agreement does not demonstrate
    that they applied to Apple Grove, especially since he qualified his advice with the word
    “if.” At best, Hoover and Moore acknowledged the possibility that the cap letters
    applied to Apple Grove, but neither had any firm knowledge or documentation of the
    letters’ applicability. In the face of such ambiguity, the district court did not clearly err
    by concluding that the letters did not apply to Apple Grove.
    In sorting through conflicting recollections of negotiations, the district court
    noted that several parties with authority to bind M&G and the union rejected or disputed
    cap letter applicability. M&G objects to the district court’s “focus on what union entity
    can ‘bind’ the union” as an error of law. M&G argues that “[q]uestions regarding who
    can ‘bind’ the union . . . are unrelated to the probative value of evidence regarding what
    local bargaining committee members have done or said about past bargaining or past
    agreements.”
    The district court did not, as M&G claims, treat statements of those with
    “binding authority” as dispositive, but it did appear to weigh these statements more
    heavily than statements from those without binding authority. Credibility determinations
    are a matter of fact and the district court’s determination receives great deference. See
    United States v. Esteppe, 
    483 F.3d 447
    , 452 (6th Cir. 2007). It is not unreasonable to
    infer that a party with authority to bind would be more likely to be informed regarding
    important documents.
    Nos. 12-3329/3407          Tackett, et al. v. M&G Polymers USA, et al.            Page 12
    M&G describes the district court as “find[ing] that the collective bargaining
    agreement was enforceable only as to specific items described during ratification votes,”
    and cites Teamsters Local 589 (Jennings Dist., Inc.), 
    349 NLRB 124
    , 128 (2007) for its
    argument that such a “deficiency” does not void union ratification of an agreement. The
    district court did not, as M&G suggests, use the non-presentation of the cap letters as an
    “escape mechanism” from an otherwise-ratified agreement. Rather, Apple Grove
    employees’ lack of knowledge regarding the cap letters was cited as an example of
    absence of evidence of the letters’ inclusion in the Apple Grove agreements. As
    Plaintiffs point out, this was “but one piece of evidence among many.”
    Similarly, the district court did not err by considering the lack of awareness of
    the cap letters on the part of Shell’s accountants and M&G’s actuaries. The district court
    merely noted the absence of the type of evidence of the cap letters’ applicability to
    Apple Grove that one would expect to see if Defendants’ account of events was credible.
    The district court properly treated such lack of awareness as circumstantial, not
    “dispositive,” evidence that the cap letters did not apply to Apple Grove.
    M&G argues that LOU 2003-6, which permitted collecting contributions from
    retirees whose insurance costs exceeded the caps set forth in the 2001 Letter H, was
    applicable to all Plaintiffs, including those who retired prior to August 9, 2005, because
    employers may lawfully implement portions of a final offer after an impasse is reached
    in bargaining. See United Paperworkers Int’l Union v. NLRB, 
    981 F.2d 861
    , 866 (6th
    Cir. 1992) (per curiam).
    In early 2004, when LOU 2003-6 was unilaterally implemented by M&G, any
    portions affecting then-retirees’ rights were not lawfully implemented because the ability
    to take unilateral action post-impasse only applies to mandatory topics of bargaining, see
    Taylor Warehouse Corp. v. NLRB, 
    98 F.3d 892
    , 902 (6th Cir. 1996), while retiree
    benefits are a permissive topic. See Yard-Man, 
    716 F.2d at 1482
    . Furthermore, in
    August of 2005, when LOU 2003-6 became part of the 2005 CBA, it could not be
    applied to pre-August 9, 2005 retirees because their benefits had already vested, as
    described below.
    Nos. 12-3329/3407           Tackett, et al. v. M&G Polymers USA, et al.                Page 13
    Finally, M&G cites the SPD as evidence that retiree benefits were capped.
    However, SPDs “are not legally binding, nor parts[] of the benefit plans themselves.”
    Engleson v. Unum Life Ins. Co. of Am., — F.3d —, No. 12-4049, 
    2013 WL 3336741
    , at
    *7 (6th Cir. 2013) (quotation marks and citations omitted). Although the district court
    was permitted to consider the SPD as “extrinsic evidence,” see Moore v. Menasha Corp.,
    
    690 F.3d 444
    , 456 (6th Cir. 2012), we cannot say that the district court clearly erred by
    declining to find it persuasive.
    C.
    Given that the district court did not clearly err in finding that the cap letters were
    not part of the pre-2005 CBAs, the district court also did not clearly err in interpreting
    the pre-2005 CBAs as vesting a right to lifetime contribution-free benefits in the pre-
    August 9, 2005 retirees. Interpretation of a CBA is a matter of law only when the parties
    rely wholly on the terms of the CBA and do not present any extrinsic evidence of intent.
    See Yard-Man, 
    716 F.2d at
    1480 n.1. In this case, the determination of intent becomes
    a mixed question of both law and fact, for which the standard of review is clear error.
    See 
    id.
    We must determine whether the parties intended benefits to vest by applying
    traditional rules of contract interpretation, as long as doing so is consistent with federal
    labor policies. 
    Id. at 1479
    . To interpret the language of a CBA, we must:
    (1) “look to the explicit language,” (2) evaluate that language “in light of
    the context” that led to its use, (3) “interpret each provision . . . as part
    of the integrated whole,” (4) construe each provision “consistently with
    the entire document and the relative positions and purposes of the
    parties,” (5) construe the terms “so as to render none nugatory” and to
    “avoid illusory promises,” (6) look to other words and phrases in the
    document to resolve ambiguities, and (7) “review the interpretation . . .
    for consistency with federal labor policy.”
    Tackett I, 
    561 F.3d at
    489 n.7 (quoting Yard-Man, 
    716 F.2d at
    1479–80).
    Though Tackett I was not conclusive on the vesting issue as a whole, it is
    conclusive on a narrower question: that of whether the quoted “explicit language” of the
    Nos. 12-3329/3407         Tackett, et al. v. M&G Polymers USA, et al.                Page 14
    CBA, in the absence of “other words and phrases in the document” such as the cap
    letters, indicates an intent to vest. Tackett I interpreted the quoted language of the CBA,
    standing alone, as indicating intent to vest and this interpretation bound the district court,
    while leaving it free to make its own conclusion about the ultimate question of vesting
    based on other portions of the document, extrinsic evidence or both. See, e.g. Yolton
    v. El Paso Tenn. Pipeline Co., 
    435 F.3d 571
    , 579 (6th Cir. 2006) (“When ambiguities
    exist, courts may look to other provisions of the document and other extrinsic
    evidence.”) (citation omitted). The qualifying language in Tackett I implied that the
    CBA language, though indicating intent to vest, contained enough ambiguity to permit
    examination of such additional evidence.
    The district court’s presumption that, in the absence of extrinsic evidence to the
    contrary, the agreements indicated an intent to vest lifetime contribution-free benefits
    was in accordance with both Tackett I and the CBA language promising a “full
    contribution” to qualifying employees. To the extent that vesting was presumed, it was
    not the district court that, sua sponte, shifted the burden of proof, but rather the language
    of the CBA and its linkage of health care benefits to pension benefits, see Reese v. CNH
    America LLC, 
    574 F.3d 315
    , 322 (6th Cir. 2009), that led to the conclusion that retirees
    had a vested right to health care benefits and, in the absence of evidence to the contrary,
    a vested right to contribution-free health care benefits. Having reached the conclusion
    that benefits were vested, it was then reasonable for the district court to conclude that
    those benefits could not be bargained away without retiree permission.
    M&G points out that we have previously said that vesting of contribution-free
    health care benefits should not be presumed “simply . . . because none of the CBA
    documents provided that retirees ‘would be required’ to pay premium contributions.”
    Wood v. Detroit Diesel Corp., 213 F. App’x 463, 466 (6th Cir. 2007). But in this case,
    the 2000 CBA, and the others with similar language, specifically promised a “full
    Company contribution” towards health care benefits. Furthermore, in Detroit Diesel,
    there were applicable “Supplemental Agreements” advising retirees that they “‘may be
    required to make monthly contributions’” and that “rates of payment, coverages, and
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    terms and conditions of the program were all subject to change by Detroit Diesel at any
    time on reasonable notice.” Id. at 467. In the present case, the analogous capping
    agreements are not applicable. Finally, even in Detroit Diesel, where there was weaker
    evidence of affirmative intent to vest and stronger anti-vesting evidence, this Court still
    concluded that the plaintiffs had sufficient likelihood of success on the merits, even
    though it “[might] not [have been] a ‘strong’ likelihood,” to warrant preliminary
    injunctive relief. See id. at 471. The district court’s analysis does not conflict with that
    in Detroit Diesel.
    M&G also contends that, because the USW recently agreed that retirees must
    make medical contributions, Apple Grove retirees cannot possibly have a vested right
    to lifetime contribution-free health care.       However, if benefits are vested, then
    subsequent concessions by the union cannot modify them without retirees’ permission.
    See Allied Chem. & Alkali Workers of Am., Local Union No. 1 v. Pittsburgh Plate Glass
    Co., Chem. Div., 
    404 U.S. 157
    , 181 n.20 (1971).
    Given the inapplicability of the capping agreements, the district court did not
    clearly err in finding that pre-August 9, 2005 retirees had a vested right to receive
    contribution-free health care benefits.
    D.
    Plaintiffs cross-appeal the scope of the permanent injunction. They contend that
    the district court abused its discretion when it ordered retirees and dependents previously
    enrolled in the pre-2007 Comprehensive Plan to be enrolled in the current
    Comprehensive Plan instead of being reinstated to the pre-2007 plan.
    Plaintiffs argue that the district court misapplied Reese v. CNH America. In
    Reese, we held that retirees whose lifetime health care benefits had vested could
    nonetheless be subject to “reasonable changes” in their health care benefits, as long as
    the changes were “reasonable in light of changes in health care” and “roughly consistent
    with the kinds of benefits provided to current employees.” 
    574 F.3d at 326
     (citations
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    omitted). However, this was only the case because the CBA did not contain any
    statements to the contrary. See 
    id.
    Plaintiffs argue that the P&I agreements specify the precise benefits provided to
    retirees. They cite, for example, the 2000 P&I stating that “[a]fter the date of the
    Employee’s retirement, the deductible . . . shall be limited to $175 per person, $350 per
    family . . . .” However, they do not explain why these plan specifics, unlike those in
    Reese, are vested for life. Plaintiffs argue that vested no-cost medical coverage would
    be illusory if the Comprehensive Plan is “allowed to be whittled away under the guise
    of ‘plan design changes’ until no shred . . . remained,” but that is a red herring because
    our reasonableness requirement does not permit such an extreme “whittling.”
    The 2007 changes to the Comprehensive Plan that Plaintiffs point to were not
    unreasonable. Plaintiffs cite increased prescription drug costs and annual deductibles
    that do not appear to be severe and unreasonable (e.g., co-pay for generic drugs going
    from $4 to $10, annual prescription drug deductible going from $175 to $250). The
    increase in the maximum out-of-pocket limit from $500 to $4,000 per family is the most
    significant change cited, but not so large that the district court clearly erred in finding
    it to be “reasonable in light of changes in health care.” 
    Id. at 326
     (quotation marks
    omitted).
    III.
    For the above reasons, we affirm the judgment of the district court.