Segment Reporting (Sales by Geographic Area) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Net sales	$ 864,850	$ 698,328	$ 1,646,255	$ 1,183,687
United States
Net sales	601,767	458,671	1,155,613	781,533
EMEA [Member]
Net sales	190,840	171,297	349,842	283,951
Asia Pacific [Member]
Net sales	41,228	41,814	87,274	74,150
Other
Net sales	31,015	26,546	53,526	44,053
International [Member]
Net sales	$ 263,083	$ 239,657	$ 490,642	$ 402,154