Operating Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Leases [Line Items]
Total lease cost	$ 11,169	$ 13,030	$ 34,807	$ 37,942
Selling, General and Administrative Expenses [Member]
Leases [Line Items]
Operating lease cost	10,803	12,054	33,545	35,426
Variable lease cost	$ 366	$ 976	$ 1,262	$ 2,516