Restructuring - Additional Information (Detail) (USD $)	0 Months Ended	9 Months Ended
	Dec. 05, 2013	Aug. 01, 2014	Oct. 25, 2013
Restructuring Cost And Reserve [Line Items]
Expected integration cost	$ 40,000,000
Restructuring expense		14,300,000
Accrued restructuring		6,425,000	0
Minimum
Restructuring Cost And Reserve [Line Items]
Expected integration cost		20,000,000
Maximum
Restructuring Cost And Reserve [Line Items]
Expected integration cost		$ 25,000,000