Income Taxes (Narrative) (Details) (USD $)	3 Months Ended			6 Months Ended
	Jul. 29, 2012	Apr. 29, 2012	Jan. 31, 2010	Jul. 29, 2012	Jan. 29, 2012
Statutory federal income tax rate				35.00%
Foreign earnings no longer permanently reinvested offshore			$ 120,000,000
Repatriated foreign subsidiary earnings			50,000,000
Unrepatriated foreign subsidiary earnings			70,000,000
Foreign earnings permanently reinvested offshore		70,000,000
One-time tax benefit		23,400,000
Deferred foreign income tax expense (benefit)	3,400,000
Gross unrecognized tax benefits	13,800,000			13,800,000	13,800,000
Net tax benefits, if recognized, would impact the effective tax rate	11,600,000			11,600,000	11,600,000
Unrecognized tax benefits decrease in next twelve months due to statute of limitations	500,000			500,000
Unrecognized tax benefits, interest and penalties	$ 243,000			$ 243,000	$ 243,000