Stock Repurchase Activity (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019	Nov. 30, 2018
Equity, Class of Treasury Stock [Line Items]
Cost of repurchased common stock		$ 7,044,000	$ 9,748,000	$ 20,789,000
Program
Equity, Class of Treasury Stock [Line Items]
Authorized repurchased amount					$ 300,000,000.0
Repurchased common stock (in shares)	0	371,976	428,018	1,031,940
Restricted stock unit awards acquired (in shares)	0	0	34,956	29,432
Cost of repurchased common stock		$ 7,000,000.0	$ 9,700,000	$ 20,800,000
Tax withholding requirements			500,000	$ 600,000
Remaining authorized repurchase amount	$ 143,300,000		$ 143,300,000