Derivative Financial Instruments - Gains (Losses) Before Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019	May 02, 2020	Feb. 01, 2020	May 04, 2019	Feb. 03, 2019	Feb. 02, 2019
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Cumulative adjustment from adoption of new guidance	$ 454,828	$ 572,795	$ 454,828	$ 572,795	$ 486,789	$ 661,347	$ 565,078		$ 853,645
Gains (losses) arising during the period	(7,897)	2,286	(4,361)	6,722
Gains (losses) reclassified from accumulated OCI into earnings (loss)	2,462	1,801	4,450	2,077
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) arising during the period	(7,758)	3,063	(3,348)	7,718
Gains (losses) reclassified from accumulated OCI into earnings (loss)	2,504	1,757	4,495	1,987
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) arising during the period	(139)	(777)	(1,013)	(996)
Gains (losses) reclassified from accumulated OCI into earnings (loss)	(42)	44	(45)	90
Retained Earnings
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Cumulative adjustment from adoption of new guidance	952,707	1,053,604	952,707	1,053,604	973,006	1,130,409	1,036,386		1,077,747
Accumulated Other Comprehensive Loss
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Cumulative adjustment from adoption of new guidance	$ (131,609)	$ (137,202)	$ (131,609)	$ (137,202)	$ (153,302)	$ (139,910)	$ (132,706)	$ 1,981	$ (126,179)
Cumulative effect period of adoption adjustment
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Cumulative adjustment from adoption of new guidance								297
Cumulative effect period of adoption adjustment | Retained Earnings
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Cumulative adjustment from adoption of new guidance								(1,684)
Cumulative effect period of adoption adjustment | Accounting Standards Update 2017-12 | Retained Earnings
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Cumulative adjustment from adoption of new guidance								(2,000)
Cumulative effect period of adoption adjustment | Accounting Standards Update 2017-12 | Accumulated Other Comprehensive Loss
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Cumulative adjustment from adoption of new guidance								$ 2,000