Earnings per Share and Shareholders' Equity Calculation of Earnings per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015
Reconciliation of the number of shares used in the calculation of diluted earnings (loss) per share [Abstract]
Basic shares	82,053	88,713	82,003	88,619
Assumed exercise of dilutive stock options	392	756	442	807
Assumed exercise of dilutive RSUs and PSUs	210	224	246	234
Diluted shares	82,655	89,693	82,691	89,660