Capital Stock - Narratives (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jul. 28, 2018	Jul. 29, 2017
Stockholders' Equity Note [Abstract]
Repurchase of common stock, shares		400,000
Average Price Per Share (in dollars per share)		$ 94.77
Total consideration	$ 0	$ 37,909
Remaining authorized shares for repurchases	$ 95,200