Income Taxes (Narrative) (Details) (USD $)	3 Months Ended			9 Months Ended
	Jul. 29, 2012	Apr. 29, 2012	Jan. 31, 2010	Oct. 28, 2012	Jan. 29, 2012
Income Tax Disclosure [Abstract]
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
Discrete charge to the Canadian tax provision as a result of newly enacted tax legislation	3,400,000
Gross unrecognized tax benefits				13,300,000	13,800,000
Net tax benefits, if recognized, would impact the effective tax rate				11,100,000	11,600,000
Unrecognized tax benefits decrease in next twelve months due to statute of limitations				4,100,000
Unrecognized tax benefits, interest and penalties				$ 281,000	$ 243,000