Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Millions |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
|
Apr. 29, 2017
USD ($)
store
|
Apr. 30, 2016
USD ($)
|
Feb. 03, 2018 |
Jan. 28, 2017
USD ($)
|
|
| Components of Operating Cost and Expense [Abstract] | ||||
| Number of Stores | store | 1,434 | |||
| Number of States in which Entity Operates | 47 | |||
| Operating Cycle | 52 or 53 weeks | |||
| Fiscal Period Duration | 91 days | 91 days | 371 days | 364 days |
| Distribution and Outbound Transportation Costs | $ 39.3 | $ 37.7 | ||
| Advertising Expense | 19.9 | $ 20.1 | ||
| AccountingStandardsUpdate201609 [Member] | ||||
| Item Effected [Line Items] | ||||
| New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ 3.1 | $ 0.5 | ||