Summary of Significant Accounting Policies (Nature of Business) (Details) |
May 05, 2018
USD ($)
Store
state
|
Apr. 29, 2017
Store
|
|---|---|---|
| Accounting Policies [Abstract] | ||
| Products offering price, maximum price | $ | $ 5 | |
| Number of States in which Entity Operates | state | 32 | |
| Number of Stores | Store | 658 | 553 |