Leases - Lease cash flow information (Details) $ in Thousands	12 Months Ended
	Feb. 02, 2020 USD ($)
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities (in thousands)	$ 32,785
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	$ 14,937
Weighted-average remaining lease term (in years)	5 years 6 months 29 days
Weighted-average discount rate	6.50%