Derivative Financial Instruments - Gains (Losses) Before Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	May 01, 2021	May 02, 2020
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Gains (Losses) Recognized in OCI	$ 1,781	$ 3,536
Gains (Losses) Reclassified from Accumulated OCI into Earnings	(398)	1,988
Foreign exchange currency contracts | Cost of product sales
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Gains (Losses) Recognized in OCI	1,511	4,410
Gains (Losses) Reclassified from Accumulated OCI into Earnings	(462)	1,991
Interest rate swap | Interest expense
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Gains (Losses) Recognized in OCI	270	(874)
Gains (Losses) Reclassified from Accumulated OCI into Earnings	$ 64	$ (3)