Derivative Financial Instruments (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012
Forward contracts designated as cash flow hedges
Foreign exchange currency cash flow hedge unrealized gain to be recognized in other expense or cost of product sales over the following 12 months	$ (1.8)
Canada
Forward contracts designated as cash flow hedges
U.S. dollar forward contracts purchased, total notional amount	51.5
U.S. dollar forward contracts outstanding	40.3	41.5
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months)	11 months
Europe
Forward contracts designated as cash flow hedges
U.S. dollar forward contracts purchased, total notional amount	179.7
U.S. dollar forward contracts outstanding	$ 106.9	$ 90.0
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months)	11 months