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Components of Net Periodic Benefit Cost (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 03, 2020
Oct. 05, 2019
Oct. 03, 2020
Oct. 05, 2019
Defined Benefit Plan Disclosure [Line Items]        
Settlement and curtailment (gain) loss $ (7,153)   $ 109,054  
Pension plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 195 $ 162 657 $ 541
Interest cost 229 2,753 1,880 9,177
Expected return on plan assets (414) (3,957) (3,518) (13,190)
Settlement and curtailment (gain) loss (7,153)   109,054  
Amortization of prior service cost (credit) 13 89 101 297
Amortization of net (gain) loss 126 1,637 1,619 5,460
Total net periodic pension cost (income) (7,004) 684 109,793 2,285
Postretirement Benefit Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 65 65 217 217
Interest cost 45 69 151 229
Amortization of prior service cost (credit) (1) (9) (3) (32)
Amortization of net (gain) loss (69) (63) (230) (212)
Total net periodic pension cost (income) $ 40 $ 62 $ 135 $ 202