Components of, and Changes in Restructuring Accruals (Detail) $ in Thousands	12 Months Ended
	Dec. 30, 2017 USD ($)
Restructuring Cost And Reserve [Line Items]
Charges	$ 104,130
Cash payments	(9,039)
Non-cash impairments	(69,601)
Liability balance at December 30, 2017	25,490	[1]
Impairment of Assets
Restructuring Cost And Reserve [Line Items]
Charges	69,601	[2]
Non-cash impairments	(69,601)	[2]
Reorganization Costs
Restructuring Cost And Reserve [Line Items]
Charges	1,925	[3]
Cash payments	(1,925)	[3]
Employee Termination Benefits
Restructuring Cost And Reserve [Line Items]
Charges	2,939	[4]
Cash payments	(2,471)	[4]
Liability balance at December 30, 2017	468	[1],[4]
VSIP
Restructuring Cost And Reserve [Line Items]
Charges	29,665
Cash payments	(4,643)
Liability balance at December 30, 2017	$ 25,022	[1]

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

[2] Asset impairments are a non-cash expense recorded as a reduction to intangible assets and property, plant, and equipment. These transactions did not impact the liability balance.

[3] Reorganization costs include employee relocation expenses.

[4] Employee termination benefits not related to the VSIP.