Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		2 Months Ended	12 Months Ended
	Mar. 21, 2018	Mar. 29, 2018	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Share repurchases
Shares repurchased, aggregate cost			$ 56,159	$ 3,532	$ 44,053
Dividends
Cash dividend announced on common stock (in dollars per share)			$ 0.9	$ 0.9	$ 0.90
Subsequent events
Share repurchases
Number of common stock repurchased (in shares)		1.1
Shares repurchased, aggregate cost		$ 17,600
Dividends
Cash dividend announced on common stock (in dollars per share)	$ 0.225
Payment date of cash dividend	Apr. 20, 2018
Record date of cash dividend	Apr. 04, 2018