Earnings per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Numerator
Total net earnings attributable to common shareholders	$ 12,256	$ 42,943	$ 28,742	$ 76,034
Net earnings allocated to participating securities (restricted stock and deferred stock units)	(30)	(139)	(91)	(474)
Net earnings attributable to common shareholders	$ 12,226	$ 42,804	$ 28,651	$ 75,560
Denominator
Basic weighted-average common shares outstanding	47,939,000	49,843,000	47,773,000	50,225,000
Dilutive effect of share-based awards (in shares)	204,000	290,000	286,000	235,000
Diluted weighted-average common shares outstanding	48,143,000	50,133,000	48,059,000	50,460,000
Net earnings per common share attributable to common shareholders:
Basic (in dollars per share)	$ 0.26	$ 0.86	$ 0.60	$ 1.50
Diluted (in dollars per share)	$ 0.25	$ 0.85	$ 0.60	$ 1.50
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share
Anti-dilutive shares of common stock excluded from the calculation of diluted earnings per common share (in shares)	100,000	200,000	100,000	300,000