Stock Repurchase Program - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		103 Months Ended
	Oct. 30, 2016	Oct. 25, 2015	Oct. 30, 2016	Oct. 25, 2015	Oct. 30, 2016
Equity [Abstract]
Repurchased shares of common stock, cost	$ 0	$ 7,464	$ 538	$ 57,311	$ 136,200
Remaining authorization under stock repurchase program	$ 62,200		$ 62,200		$ 62,200