Stock Repurchase Program - Summary of Stock Repurchases (Details) - USD ($) $ in Thousands	3 Months Ended		121 Months Ended
	Apr. 29, 2018	Apr. 30, 2017	Apr. 29, 2018
Equity, Class of Treasury Stock [Line Items]
Shares repurchased under the stock repurchase program, shares	645,114	300,000
Shares repurchased under the stock repurchase program, value	$ 25,325	$ 9,961	$ 176,700
Stock Repurchase Program WIth No Expiration Date [Member]
Equity, Class of Treasury Stock [Line Items]
Shares repurchased under the stock repurchase program, shares	645,114	300,000
Shares repurchased under the stock repurchase program, value	$ 25,325	$ 9,961