Subsequent Event - Additional Information (Detail) - Share Repurchase Program [Member] - USD ($)		9 Months Ended
	Oct. 28, 2015	Sep. 26, 2015
Subsequent Event [Line Items]
Share repurchase program shares authorized to be repurchased		$ 100,000,000
Share repurchase program expiration date		Dec. 31, 2015
Share repurchase program, remaining authorized amount		$ 53,700,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Share repurchase program shares authorized to be repurchased	$ 150,000,000
Share repurchase program expiration date	Dec. 31, 2016
Share repurchase program, remaining authorized amount	$ 103,700,000