Components of, and Changes in Restructuring Accruals (Detail) - USD ($) $ in Thousands		9 Months Ended
		Oct. 06, 2018	Oct. 07, 2017
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance		$ 25,490
Charges		2,383	$ 30,898
Cash payments		(27,639)	(1,555)
Liability balance, ending balance	[1]	234	29,343
Reorganization Costs
Restructuring Cost And Reserve [Line Items]
Charges	[2]	2,636	516
Cash payments	[2]	(2,636)	(516)
Employee Termination Benefits
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance	[3]	468
Charges	[3]	344	1,400
Cash payments	[3]	(769)	(147)
Liability balance, ending balance	[1],[3]	43	1,253
VSIP
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance		25,022
Charges		(597)	28,982
Cash payments		(24,234)	(892)
Liability balance, ending balance	[1]	$ 191	$ 28,090

[1] Recorded in the other accrued current liabilities line item of our Condensed Consolidated Balance Sheets.

[2] Reorganization costs include employee relocation expenses.

[3] Employee termination benefits are not related to the VSIP.