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Recent Accounting Pronouncements - Components of Net Periodic Pension and Postretirement Benefits Credit (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 06, 2018
Oct. 07, 2017
Oct. 06, 2018
Oct. 07, 2017
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]        
Materials, supplies, labor and other production costs (exclusive of depreciation and amortization shown separately below) $ 485,680 $ 476,264 $ 1,599,673 $ 1,552,578
Selling, distribution and administrative expenses 353,051 356,826 1,167,879 1,175,434
Income (Loss) from operations 53,450 (52,057) 182,329 114,868
Other components of net periodic pension and postretirement benefits credit $ (171) (1,321) $ (1,204) (4,687)
As reported        
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]        
Materials, supplies, labor and other production costs (exclusive of depreciation and amortization shown separately below)   476,170   1,552,263
Selling, distribution and administrative expenses   355,599   1,171,062
Income (Loss) from operations   $ (53,766)   $ 116,525