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Accumulated Other Comprehensive Income (Loss) - Summary of Impact on Income Statement Line Items (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 27, 2020
Jun. 28, 2020
Mar. 29, 2020
Dec. 29, 2019
Sep. 29, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 29, 2019
Dec. 30, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Cost of sales                 $ 3,238,448 $ 3,156,047 $ 3,069,652
Selling, delivery and administrative expenses                 1,455,531 1,489,748 1,497,810
Subtotal pre-tax                 (241,040) (34,225) 13,287
Income tax expense                 58,943 15,665 1,869
Total after tax effect $ (66,378) $ (51,884) $ (39,569) $ (14,662) $ 10,170 $ (13,006) $ (15,370) $ 6,831 (172,493) (11,375) 19,930
Reclassification out of Accumulated Other Comprehensive Income                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Cost of sales                 1,539 792 893
Selling, delivery and administrative expenses                 3,145 1,977 2,984
Subtotal pre-tax                 4,684 2,769 3,877
Income tax expense                 1,157 682 955
Total after tax effect                 3,527 2,087 2,922
Reclassification out of Accumulated Other Comprehensive Income | Interest Rate Swap                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Cost of sales                 0 0  
Selling, delivery and administrative expenses                 (378) (359)  
Subtotal pre-tax                 (378) (359)  
Income tax expense                 (92) (89)  
Total after tax effect                 (286) (270)  
Reclassification out of Accumulated Other Comprehensive Income | Foreign Currency Translation Adjustment                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Cost of sales                 0 0 0
Selling, delivery and administrative expenses                 41 (19) (19)
Subtotal pre-tax                 41 (19) (19)
Income tax expense                 11 (3) (5)
Total after tax effect                 30 (16) (14)
Net Pension Activity | Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Plans                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Cost of sales                 1,393 1,003 886
Selling, delivery and administrative expenses                 3,245 2,707 2,968
Subtotal pre-tax                 4,638 3,710 3,854
Income tax expense                 1,144 912 950
Total after tax effect                 3,494 2,798 2,904
Net Postretirement Benefits Activity | Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Plans                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Cost of sales                 146 (211) 7
Selling, delivery and administrative expenses                 237 (352) 35
Subtotal pre-tax                 383 (563) 42
Income tax expense                 94 (138) 10
Total after tax effect                 $ 289 $ (425) $ 32