Derivative Financial Instruments (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in other comprehensive income ("OCI") and net earnings
Foreign exchange currency cash flow hedge unrealized gain to be recognized in other income or cost of product sales over the following 12 months	$ 7,993		$ 7,993
Net after-tax derivative activity recorded in accumulated other comprehensive income
Beginning balance gain (loss)	1,465	(9,793)	4,259	(1,789)
Net gains (losses) from changes in cash flow hedges	7,261	3,504	6,767	(6,425)
Net losses (gains) reclassified to income	(733)	670	(3,033)	2,595
Ending balance gain (loss)	7,993	(5,619)	7,993	(5,619)
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	7,641	3,843	6,818	(7,209)
Gain/(Loss) Reclassified from Accumulated OCI into Income/(Loss)	714	(737)	3,157	(3,070)
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	673	280	622	(611)
Gain/(Loss) Reclassified from Accumulated OCI into Income/(Loss)	$ 118	$ (89)	$ 296	$ 11