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Restructuring Charges and Asset Impairment - Schedule of Restructuring Activity and Asset Impairment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2020	Oct. 05, 2019	Oct. 03, 2020	Oct. 05, 2019
Restructuring Cost And Reserve [Line Items]
Asset impairment charges	$ 6,767	$ 1,447	$ 16,411	$ 15,512
Charge on customer advance				1,941
Loss (gain) on sales of assets related to closed facilities			3,403	(6,648)
Provision for severance		198	2,205	347
Other costs associated with site closures	2	330	1,649	1,307
Changes in estimates	(226)	(539)	(104)	(750)
Lease termination adjustments		(298)		(1,940)
Restructuring and asset impairment	$ 6,543	1,296	20,455	10,215
Business Restructuring Reserves [Member]
Restructuring Cost And Reserve [Line Items]
Provision for closing charges		86	325	629
Facility Closing [Member]
Restructuring Cost And Reserve [Line Items]
Loss (gain) on sales of assets related to closed facilities		$ 72	$ (31)	$ (6,831)

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