Shareholders' Equity (Repurchases of Common Stock) (Details) - USD ($) $ in Thousands	12 Months Ended			31 Months Ended
	Jan. 31, 2016	Feb. 01, 2015	Feb. 02, 2014	Jan. 31, 2016
Stockholders' Equity [Abstract]
Shares repurchased under share repurchase authorizations, shares	2,775,000	2,237,000	1,185,000	6,197,099
Shares surrendered in reimbursement for withholding taxes, shares	97,000	153,000	136,000
Repurchases of common shares, shares	2,872,000	2,390,000	1,321,000
Shares repurchased under share repurchase authorizations	$ 50,000	$ 39,225	$ 22,342
Shares surrendered in reimbursement for withholding taxes	1,561	2,811	2,560
Repurchase of common shares	$ 51,561	$ 42,036	$ 24,902