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Components of Net Periodic Benefit (Income) Cost (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 28, 2024 | Dec. 28, 2024 | Dec. 30, 2023 | Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement loss | $ (200) |  |  |
Total recognized in net periodic cost (benefit) and OCI |  | $ (418) | $ (390) | $ (2,851)
Pension plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost |  | 728 | 682 | 1,188
Interest cost |  | 1,178 | 1,304 | 884
Expected return on plan assets |  | (1,604) | (1,561) | (1,874)
Settlement loss |  | 241 |  |
Amortization of prior service cost (credit) |  | 57 | 57 | 57
Amortization of net (gain) loss |  | 42 | 173 | 461
Net periodic benefit (income) cost |  | 642 | 655 | 716
Current year actuarial loss (gain) |  | (720) | (815) | (3,049)
Settlement loss |  | (241) |  |
Amortization of prior service (cost) credit |  | (57) | (57) | (57)
Amortization of actuarial gain (loss) |  | (42) | (173) | (461)
Total recognized in OCI |  | $ (1,060) | $ (1,045) | $ (3,567)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component Excluding Settlement Loss Excluding Curtailment | Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component Excluding Settlement Loss Excluding Curtailment | Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component Excluding Settlement Loss Excluding Curtailment

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