Shareholders' Equity - Share Repurchase Program (Details) (USD $) Share data in Thousands, unless otherwise specified	12 Months Ended				1 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010	Jan. 28, 2012 2010 and 2011 Repurchase Program [Member]	Mar. 31, 2010 2010 Repurchase Program [Member] Common Stock [Member]	Dec. 31, 2009 2010 Repurchase Program [Member] Common Stock [Member]	May 31, 2011 2011 Repurchase Program [Member] Common Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount					$ 400,000,000	$ 150,000,000	$ 400,000,000
Stock Repurchase Program, Increase to Repurchase Program					250,000,000
Stock Repurchased During Period, Shares				11,000
Stock Repurchased During Period, Value	363,957,000	350,823,000	1,849,000	359,300,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount				$ 98,500,000