Components of, and Changes in Restructuring Accruals (Detail) - USD ($) $ in Thousands		6 Months Ended
		Jul. 13, 2019	Jul. 14, 2018
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance		$ 401	$ 25,490
Charges		984	2,060
Cash payments		(458)	(27,200)
Liability balance, ending balance	[1]	927	350
Reorganization Costs
Restructuring Cost And Reserve [Line Items]
Charges		253	2,313	[2]
Cash payments		(253)	(2,313)	[2]
Employee Termination Benefits
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance		227	468	[3]
Charges		731	344	[3]
Cash payments		(205)	(699)	[3]
Liability balance, ending balance	[1]	753	113	[3]
VSIP
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance		174	25,022
Charges			(597)
Cash payments			(24,188)
Liability balance, ending balance	[1]	$ 174	$ 237

[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