Deferred Revenue and Commissions - Deferred Commissions (Details) - USD ($)	3 Months Ended
	May 02, 2021	May 03, 2020
Deferred Commissions [Roll Forward]
Beginning balance	$ 187,924,000	$ 139,204,000
Additions	29,189,000	29,762,000
Recognition of deferred commissions	(31,238,000)	(26,603,000)
Ending balance	$ 185,875,000	142,363,000
Commission expected to be recognized over the next 12 months (percent)	30.00%
Impairment of capitalized commissions	$ 0	$ 0