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Employee Retirement Plans
 12 Months Ended
Dec. 28, 2024
Retirement Benefits [Abstract]  
Employee Retirement Plans Employee Retirement Plans
Multiemployer Pension Plans
The Company is involved in various multiemployer pension plans (“MEPPs”) that provide retirement and certain disability benefits to certain union employees in accordance with certain collective bargaining agreements (“CBAs”). As one of many participating employers in these MEPPs, the Company is generally responsible with the other participating employers for any plan underfunding. The Company’s contributions to a particular MEPP are established by the applicable CBAs, however required contributions may increase based on the funded status of an MEPP and legal requirements such as those of the Pension Act, which requires substantially underfunded MEPPs to implement a funding improvement plan (“FIP”) or a rehabilitation plan (“RP”) to improve their funded status. Factors that could impact funded status of an MEPP include, without limitation, investment performance, changes in the participant demographics, decline in the number of contributing employers, changes in actuarial assumptions, and the utilization of extended amortization provisions. A FIP or RP requires a particular MEPP to adopt measures to correct its underfunded status. These measures may include, but are not limited to, an increase in the Company’s contribution rate to the applicable CBA, a reallocation of the contributions already being made by participating employers for various benefits to individuals participating in the MEPP, and/or a reduction in the benefits to be paid to future and/or current retirees.
The Company could also be obligated to make future payments to MEPPs if it either ceases to have an obligation to contribute to the MEPP or significantly reduces its contributions to the MEPP because the Company reduced its number of employees who are covered by the relevant MEPP for various reasons, including, but not limited to, layoffs or closures, assuming the MEPP has unfunded vested benefits. The amount of such payments (known as a complete or partial withdrawal liability) generally would equal the Company’s proportionate share of the plan’s unfunded vested benefits.
Only one of the MEPP plans is currently deemed to be significant to the Company, and the following table provides the required disclosures for this plan. “Contributions” represent the amounts contributed by the Company during the fiscal years presented:
Contributions (In millions)
Pension Fund:EIN/Pension Plan NumberPension Act Zone Status
FIP/RP Status (1)
Surcharge202420232022
Central States, Southeast and Southwest Areas Pension Fund (“Central States Plan”)366044243Critical
(December 31, 2024)		RPNo$0.4 $0.3 $0.4 
Total$0.4 $0.3 $0.4 
(1) Funding Improvement Plan or Rehabilitation Plan, as defined by the Pension Protection Act of 2006
The Company’s contributions to the Central States Plan are approximately 0.1% of total contributions, which is less than the required disclosure threshold of five percent of total plan contributions. However, this plan is deemed significant for disclosure as it is severely underfunded, as defined. The current CBA that requires contributions to the plan expires on December 31, 2025. In May 2020, the Company received a demand letter for payment resulting from its partial withdrawal in 2018 from the Central States Plan and started making payments in June 2020. These payments are payable monthly for a period of 20 years. The Company’s liability for the remainder of these payments was $6.5 million as of December 28, 2024. The Company may, in the future, record an additional liability if required by an event of our complete withdrawal from the plan or a mass withdrawal. The Company’s most recent contingent withdrawal liability was estimated at approximately $35.2 million for a complete withdrawal occurring in 2025. In the case of a complete withdrawal or a mass withdrawal, the Central States Plan could demand yearly payments of approximately $1.1 million, which do not include payments for the partial withdrawal of approximately $0.6 million annually. In a complete withdrawal, the payments would not amortize the liability fully; however, payments for a complete withdrawal are limited to a 20-year period. In the case of a mass withdrawal, the liability would not amortize fully under current government regulations, and payments would continue indefinitely.
Defined Contribution Plans
Eligible Company employees can participate in one of two defined contribution plans: the BlueLinx Corporation Hourly Savings Plan covering hourly employees or the BlueLinx Corporation Salaried Savings Plan covering salaried employees. Discretionary contributions to the plans are based on employee contributions and compensation, and, in certain cases, participants in the hourly savings plan also receive employer contributions based on union negotiated match amounts.
Employer contributions to the hourly savings plan for fiscal year 2024 were approximately $1.1 million, of which less than $0.1 million was for fiscal 2023. Employer contributions for fiscal 2023 were approximately $0.9 million and were approximately$0.8 million for fiscal 2022.
Employer contributions to the salaried savings plan for fiscal 2024 were approximately $2.5 million, of which $0.1 million was for fiscal 2023. Employer contributions to the salaried savings plan for fiscal 2023 were approximately $2.5 million. Employer contributions to the salaried savings plan for fiscal 2022 were approximately $4.0 million, of which $2.1 million was for fiscal 2021.
Single-Employer Defined Benefit Pension Plan
As previously disclosed, in October 2022, the Company, as sponsor, notified participants in its noncontributory defined benefit pension plan (the “DB Plan”) that the Company intended to transfer financial responsibility for the management and delivery of continuing benefits associated with the DB Plan to a highly rated insurance company with pension settlement experience. Most of the participants in the DB Plan were inactive, with all remaining active participants no longer accruing benefits, and the DB Plan had been previously closed to new entrants. The DB Plan’s accumulated benefit obligation and its projected benefit obligation were the same amount (a “frozen” plan), and the Company has not incurred service cost under the plan since fiscal year 2019. Benefits under the plan were primarily related to years of service. The DB Plan’s assets were maintained in a separate trust entity prior to settlement, and then used to fund the settlement transaction as described below.

Effective December 5, 2023, the Company settled the frozen DB Plan by purchasing an irrevocable nonparticipating annuity contract with an insurance company (the “buy-out contract”). The buyout contract met the requirements for a settlement, as that term is defined in ASC No. 715, Compensation-Retirement Benefits, and the DB Plan and Company, as sponsor, have been relieved of primary responsibility for the benefits obligations. Participants of the DB Plan who had a vested benefit of less than $5,000 were paid a one-time and final lump sum distribution, including the option to roll over their vested balance to an individual retirement account at a financial institution.
Immediately before the settlement, benefit obligations and plan assets of the DB Plan were $78.7 million and $78.7 million, respectively. The plan assets included a final cash contribution of $6.9 million made by the Company, as sponsor, at the time the buy-out contract was purchased. Other than the aforementioned $6.9 million, the Company was not required to and did not make any contributions in fiscal 2023 or fiscal 2022 to the DB Plan. During fiscal 2024, the Company received a net refund of $2.5 million related to an adjustment to the settlement cost.
Substantially all of the plan assets were used to purchase the buyout contract from the insurance company on December 5, 2023. Just prior to settlement, the Company’s accumulated other comprehensive loss included unrecognized pension cost of $30.4 million plus unrecognized deferred taxes of $4.5 million, for a total of $34.9 million and these amounts were reclassified into earnings at settlement in fourth quarter of fiscal 2023.

As previously disclosed, during fiscal 2013 the Company contributed two properties to the DB Plan in lieu of a cash contribution, and then entered into a lease for each of these properties and continued to use the properties in the Company’s distribution operations. The DB Plan engaged an independent fiduciary to manage the properties on behalf of the DB Plan. During fiscal 2022 and in anticipation of the settlement of the DB Plan, the Company repurchased these two real estate properties from the DB Plan for $11.1 million and terminated the associated leases. The repurchase in 2022 included certain land and buildings, located in Charleston, S.C. and Buffalo, N.Y., valued at approximately $11.1 million by independent appraisals. The repurchase amount is included in pension contributions within the operating activities section of the Company’s consolidated statements of cash flows for the fiscal year ended December 30, 2022.
Prior to settlement, actuarial assumptions for the plan during fiscal 2023 included considerations for settlement of the DB Plan. The following tables set forth the change in projected benefit obligation and the change in plan assets for the DB Plan:
December 28, 2024December 30, 2023
 (In thousands)
Change in projected benefit obligation:  
    Projected benefit obligation at beginning of period$2,181 $82,752 
    Interest cost— 4,419 
    Actuarial gain— (240)
    Benefits paid(496)(6,018)
    Settlement(1,685)(78,732)
Projected benefit obligation at end of period (1)
$— $2,181 
Change in plan assets:  
    Fair value of assets at beginning of period$2,181 $81,231 
    Actual return on plan assets— (1,200)
    Employer contributions— 6,900 
    Benefits paid(496)(6,018)
Settlement(1,685)(78,732)
Fair value of assets at end of period (1)
— 2,181 
Net funded status of plan (1)
$— $— 
(1) As disclosed above, the DB Plan was settled during fourth quarter of fiscal 2023. The remaining residual balances in projected benefit obligations and fair value of assets as of December 30, 2023 were used to fund final expenses and wrap-up activities of the separate trust entity trust, which was closed and terminated during December 2024.
The net adjustment to other comprehensive income (loss) for fiscal 2023 was a $32.7 million pre-tax loss. The amount for fiscal 2023 included a $30.4 million settlement loss. The remainder of the amount for fiscal 2023 was primarily due to a combination of actuarial adjustments at year end in addition to the amortization of unrealized gain and/or losses throughout the fiscal year.
The net periodic pension cost (benefit) for the plan included the following:
Fiscal Year Ended December 28, 2024Fiscal Year Ended December 30, 2023
 (In thousands)
Service cost$— $— 
Interest cost on projected benefit obligation— 4,419 
Expected return on plan assets— (3,249)
Amortization of unrecognized loss— 1,207 
Before settlement (1)
— 2,377 
Settlement (gain) loss (2)
(2,481)30,440 
Net periodic pension (benefit) cost for the pension plan$(2,481)$32,817 
(1) On the Company’s consolidated statements of operations, reported within Other expenses (income), net
(2) The DB Pension Plan was frozen and no service cost has been incurred for the plan since fiscal 2019. The settlement loss in fiscal 2023 and adjustment in fiscal 2024 are reported as a non-operating expense on the Company’s consolidated statement of operations.
The following assumptions were used to determine the projected benefit obligation at the measurement date and the net periodic pension cost (credit):
December 30, 2023
Projected benefit obligation: 
     Discount rate— %
     Average rate of increase in future compensation levelsN/A
Net periodic pension cost or benefit: 
     Discount rate5.34 %
     Average rate of increase in future compensation levelsN/A
     Expected long-term rate of return on plan assets4.00 %
As disclosed above, the DB Plan was settled effective December 5, 2023. The assumptions in the table above for the fiscal year ended December 30, 2023 were used to determine net periodic pension cost in fiscal 2023 prior to the settlement. The annuity purchase price was used to measure the projected benefit obligation on settlement date.
Prior to settlement, estimates of the amount and timing of the Company’s future funding obligations for the DB Plan were based upon various assumptions specified above. These assumptions include, but are not limited to, the discount rate, projected return on plan assets, and mortality rates. The rate of increase in future compensation levels had no effect on both the projected benefit obligation and net periodic pension cost, as almost all the participants in the plan were inactive, the remaining active participants were no longer accruing benefits, and the plan was closed to new entrants.
Assumptions for plan settlement liability estimate. As previously disclosed, plan liabilities were settled through a lump sum offer to certain participants followed by an annuity buyout for remaining participants. The cost of this settlement was developed relative to the plan-based accounting obligations, segmented by participant status and other demographic subgroups where appropriate. The primary drivers of cost were lump sum election rates, the cost of lump sums relative to accounting obligations, and the cost to purchase annuities for participants not electing lump sums.
Projected return on plan assets. Prior to settlement, pension plan assets were managed under a balanced portfolio allocation policy comprised of two major components: a return-seeking portion and a liability-matching portion. The expected role of return-seeking investments was designed to achieve a reasonable long-term growth of pension assets with a prudent level of risk, while the role of liability-matching investments was designed to provide a partial hedge against liability performance associated with changes in interest rates. The objective within return-seeking investments was to achieve asset diversity in order to balance return and volatility. A designated fiduciary is engaged to manage the day-to-day investment responsibilities for pension plan assets and relationships with certain agents, advisors, and other fiduciaries.
The discount rate. Prior to settlement, a full yield curve approach was utilized in the estimation of components by applying the specific spot rates along the yield curve of high-quality corporate bonds used in determination of the benefit obligation to the relevant projected cash flows.
Mortality rates. For fiscal year 2023 and 2022, in conjunction with the decision to settle the DB Plan, the valuations and assumptions reflected adoption of the Society of Actuaries RP-2018 mortality tables with generational mortality improvement and adjustments to reflect the characteristics of the plan in conjunction with actuarial assumptions customary in the insurance industry.
Plan Assets and Long-Term Rate of Return
Fiscal 2023
Prior to settlement, asset return assumptions were based on current and expected asset allocations, as well as historical and expected returns on the plan asset categories. The allocation of the DB Plan’s assets impacted expected return on plan assets. The expected return on plan assets was based on a targeted allocation consisting of return-seeking securities (including public equity, real assets, and diversified credit investment strategies), liability-matching securities (fixed income), and cash and cash equivalents. Net benefit cost increased as the expected return on plan assets decreased. Actual long-term asset allocations on average were designed to approximate targeted allocation. Targeted allocation was driven by investment strategy to earn a reasonable rate of return while maintaining risk at acceptable levels through the diversification of investments across and within various asset categories. For fiscal 2023, an expected rate of return on plan assets of 4.00% was used.
Prior to settlement, the investment policy for the DB Pension Plan, in general, was to achieve a reasonable long-term rate of return on plan assets with an acceptable level of risk in order to maintain adequate funding levels. The plan’s investment committee established risk mitigation policies and regularly monitored investment performance and investment allocation policies, with a third-party investment advisor executing on these strategies. A designated fiduciary was utilized to manage the day-to-day investment responsibilities for plan assets and relationships with certain agents, advisors, and other fiduciaries.