Leases - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Oct. 31, 2020 USD ($)	Oct. 31, 2020 lease	Nov. 02, 2019
Lessee, Lease, Description [Line Items]
Number of leases (lease) | lease		37
Long-term purchase commitment, amount | $	$ 83.0
Operating lease, weighted average remaining lease term (years)	8 years	8 years	7 years 10 months 24 days
Operating lease, weighted average discount rate, percent	6.60%	6.60%	7.00%
Minimum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, renewal term (years)	5 years	5 years
Lessee, operating lease, term of contracts (years)	10 years	10 years
Maximum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, renewal term (years)	10 years	10 years