Subsequent Events (Details) - USD ($)		3 Months Ended		9 Months Ended
	Nov. 24, 2015	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014	Dec. 31, 2013
Subsequent Event [Line Items]
New share repurchase authorization						$ 300,000,000
Quarterly dividend declared (in dollars per share)		$ 0	$ 0	$ 0.2325	$ 0.2250
Subsequent Event [Member]
Subsequent Event [Line Items]
Quarterly dividend declared (in dollars per share)	$ 0.0775
Subsequent Event [Member] | December 2013 Share Repurchase Program [Member]
Subsequent Event [Line Items]
Share repurchase program remaining, amount canceled	$ 40,000,000
New share repurchase authorization	$ 300,000,000