Contract Balances and Contract Costs - Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	May 01, 2020	May 03, 2019
Change in Contract with Customer, Liability [Roll Forward]
Deferred Revenue, Beginning of period	$ 188,537	$ 173,929
Deferred revenue, Upfront payments received and billings	95,768	87,863
Deferred revenue, Revenue recognized	(94,375)	(84,498)
Deferred Revenue, End of period	$ 189,930	$ 177,294