Commitments and Contingencies - Additional Information (Details) $ in Millions	Sep. 16, 2019 USD ($) Stores	Aug. 03, 2019 Container
Commitments And Contingencies [Line Items]
Number of underperforming stores plan to close as leases expire over next six months | Stores	50
Number of containers with merchandise experienced fire		5
Number of containers which were total loss in fire		3
Number of containers for which insurance has been received		3
Number of containers that are still in process of being inspected		2
Minimum
Commitments And Contingencies [Line Items]
Amounts expected to incur estimated pre-tax charges | $	$ 0.7
Maximum
Commitments And Contingencies [Line Items]
Amounts expected to incur estimated pre-tax charges | $	$ 1.0