Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Apr. 29, 2017 |
Apr. 30, 2016 |
Jan. 28, 2017 |
|
| Finite-Lived Intangible Assets [Line Items] | |||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | $ 102,900 | ||
| Goodwill, Acquired During Period | 113,100 | ||
| Amortization expense related to intangible assets | $ 1,033 | $ 920 | |
| Primarily Owned And Licensed Trademarks [Member] | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Indefinite-lived Intangible Assets Acquired | 97,500 | ||
| Amortization expense related to intangible assets | $ 1,033 | $ 920 | |
| Customer Relationships [Member] | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Finite-lived Intangible Assets Acquired | $ 5,400 | ||