Commitments and Contingencies - Additional Information (Details) $ in Millions		12 Months Ended
	Feb. 02, 2011	Feb. 02, 2019 USD ($)	Feb. 03, 2018 USD ($)	Jan. 28, 2017 USD ($)	Dec. 31, 2006 USD ($) Period
Commitments and Contingencies [Line Items]
Extension of lease term					5 years
Occupancy costs, automobile and leased equipment expense		$ 64.9	$ 66.0	$ 63.9
Lease agreement term		20 years			20 years
Sale leaseback transaction rent expense					$ 4.6
Sale leaseback transaction deferred gain					$ 29.3
Leased asset amortization period		20 years
Operating leases renewal option, number of successive lease periods | Period					6
Percentage of increase in annual rent on base rate	7.00%
Current annual rent included in future minimum rentals obligations for fiscal 2019		$ 5.2
Current annual rent included in future minimum rentals obligations for fiscal 2020		5.2
Current annual rent included in future minimum rentals obligations, thereafter		5.6
Merchandise purchase obligation, fiscal 2019		10.0
Merchandise purchase obligation, fiscal 2020		10.0
Merchandise purchase obligation, fiscal 2021		10.0
Merchandise purchase obligation, fiscal 2022		10.0
Merchandise purchase obligation, fiscal 2023		10.0
ASU 2016-02 | Retained Earnings
Commitments and Contingencies [Line Items]
Sale leaseback transaction deferred gain		$ 10.3
Minimum
Commitments and Contingencies [Line Items]
Store lease term		5 years
Extension of lease term		5 years
Maximum
Commitments and Contingencies [Line Items]
Store lease term		10 years
Extension of lease term		10 years