Changes to AOCI, Net of Income Tax, By Component (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Accumulated Other Comprehensive Income Loss [Line Items]
Balances		$ 1,243,082	$ 1,123,044	$ 1,076,189
Other comprehensive income (loss) before reclassifications		1,717	(6,732)
Reclassified to earnings from accumulated other comprehensive loss	[1]	11,800	7,952	13,369
Balances		1,210,080	1,243,082	1,123,044
Cash Flow Hedge Items
Accumulated Other Comprehensive Income Loss [Line Items]
Balances		(10,190)	(11,408)
Other comprehensive income (loss) before reclassifications		5,730	(4,195)
Reclassified to earnings from accumulated other comprehensive loss		3,399	5,413
Balances		(1,061)	(10,190)	(11,408)
Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
Balances		(86,610)	(86,612)
Other comprehensive income (loss) before reclassifications		(4,013)	(2,537)
Reclassified to earnings from accumulated other comprehensive loss	[1]	8,401	2,539	10,003
Balances		(82,222)	(86,610)	(86,612)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Balances		(96,800)	(98,020)	(62,515)
Balances		$ (83,283)	$ (96,800)	$ (98,020)

[1] Amounts in parentheses indicate debits to determine net income.