Derivative Financial Instruments (Details 3) (USD $)	3 Months Ended		6 Months Ended
	Jul. 30, 2011	Jul. 31, 2010	Jul. 30, 2011	Jul. 31, 2010
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 loss to be recognized in other expense or cost of product sales over the following 12 months	$ 5,500,000		$ 5,500,000
Net after-tax derivative activity recorded in accumulated other comprehensive income
Beginning balance (loss) gain	(9,793,000)	3,273,000	(1,789,000)	1,845,000
Net gains (losses) from changes in cash flow hedges	3,504,000	719,000	(6,425,000)	1,555,000
Net losses (gains) reclassified to income	670,000	(1,090,000)	2,595,000	(498,000)
Ending balance (loss) gain	(5,619,000)	2,902,000	(5,619,000)	2,902,000
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	3,843,000	759,000	(7,209,000)	1,007,000
Gain/(Loss) Reclassified from Accumulated OCI into Income/(Loss)	(737,000)	422,000	(3,070,000)	(680,000)
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	280,000	212,000	(611,000)	677,000
Gain/(Loss) Reclassified from Accumulated OCI into Income/(Loss)	$ (89,000)	$ 725,000	$ 11,000	$ 982,000