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Restructuring Charges and Asset Impairment - Schedule of Restructuring Charges and Asset Impairment (Detail) - USD ($) $ in Thousands	4 Months Ended
	Apr. 23, 2016	Apr. 25, 2015
Restructuring Cost And Reserve [Line Items]
Asset impairment charges		$ 2,353
Loss (gain) on sales of assets related to closed facilities	$ 367	(1,540)
Provision for severance	895	304
Other costs associated with distribution center and store closings	1,769	1,493
Changes in estimates	120	(287)
Lease termination adjustment	(300)	(1,745)
Restructuring and asset impairment	15,304	7,338
Business Restructuring Reserves [Member]
Restructuring Cost And Reserve [Line Items]
Provision for closing charges	$ 12,453	$ 6,760

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