Derivative Financial Instruments (Details 3) (USD $)	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in other comprehensive income ("OCI") and net earnings
Gain/(Loss) Reclassified from Accumulated OCI into Income/(Loss)	$ 4,300,000
Foreign exchange currency cash flow hedge unrealized gain to be recognized in other expense or cost of product sales over the following 12 months	4,100,000
Net after-tax derivative activity recorded in accumulated other comprehensive income
Beginning balance (loss) gain	(1,789,000)	1,845,000
Net gains from changes in cash flow hedges	662,000	295,000
Net losses (gains) reclassified to income	5,386,000	(3,929,000)
Ending balance gain (loss)	4,259,000	(1,789,000)
Cost of sales
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in other comprehensive income ("OCI") and net earnings
Gain/(Loss) Recognized in OCI	935,000	(1,197,000)	(2,915,000)
Gain/(Loss) Reclassified from Accumulated OCI into Income/(Loss)	(6,641,000)	2,648,000	6,479,000
SG&A expenses
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in other comprehensive income ("OCI") and net earnings
Gain/(Loss) Recognized in OCI			(166,000)
Gain/(Loss) Reclassified from Accumulated OCI into Income/(Loss)			406,000
Other income/expense
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in other comprehensive income ("OCI") and net earnings
Gain/(Loss) Recognized in OCI	(90,000)	1,271,000	580,000
Gain/(Loss) Reclassified from Accumulated OCI into Income/(Loss)	$ 268,000	$ 1,486,000	$ (101,000)