Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Jan. 28, 2012 yr	Jan. 29, 2011	Jan. 30, 2010	Jan. 31, 2009
Operating Loss Carryforwards [Line Items]
The effective tax rate from continuing operations	32.00%	34.30%	33.90%
Income Taxes Paid	$ 118,200,000	$ 85,100,000	$ 27,100,000
Deferred Tax Assets Accumulated Other Comprehensive Income	1,600,000	5,200,000
Net Operating Foreign Subsidiaries Valuation Allowance	11,700,000	11,500,000
Valuation allowance for realized and unrealized investment losses	2,500,000	0
Unrecognized Tax Benefits	13,404,000	14,827,000	29,437,000	43,684,000
Reversal of net accrued interest	700,000	3,400,000
Interest and penalties	6,100,000	6,200,000
State And Foreign Returns Subject To Examination Number Of Years Low	3
State And Foreign Returns Subject To Examination Number Of Years High	5
Unremitted earnings of subsidiaries operating outside of the U.S.	$ 64,500,000