Gain on Sale Leaseback of Distribution Center - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 31, 2021	Jul. 31, 2021	Jan. 30, 2021	Aug. 01, 2020
Sale Leaseback Transaction [Line Items]
Sale and leaseback transaction, gain (loss), net	$ 24.5	$ 24.5
Operating lease assets	847.8	847.8	$ 837.0	$ 893.0
Sale Leaseback of Distribution Center
Sale Leaseback Transaction [Line Items]
Sale leaseback transaction, sale price	48.1	$ 48.1
Sale and leaseback transaction, gain (loss), net	$ 24.5
Lease initial term	20 years	20 years
Lease extension option description		two 10-year extension options
Lease extension option	true
Operating lease liabilities	$ 37.5	$ 37.5
Operating lease assets	$ 37.5	$ 37.5
Operating lease, weighted average discount rate, percent	6.28%	6.28%