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Long-Lived Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Apr. 30, 2016
May 02, 2015
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Life (in years) 8 years 10 months 6 days  
Gross Carrying Amount $ 8,274 $ 2,069
Accumulated Amortization 553 245
Definite-lived, Net Value 7,721 1,824
Intangibles, net $ 7,721 1,824
Trademarks    
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Life (in years) 18 years 3 months 15 days  
Gross Carrying Amount $ 1,676 1,461
Accumulated Amortization 194 116
Definite-lived, Net Value $ 1,482 1,345
Computer Software, Intangible Asset [Member]    
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Life (in years) 3 years  
Gross Carrying Amount $ 3,046 0
Accumulated Amortization 46 0
Definite-lived, Net Value $ 3,000 0
Customer Relationships [Member]    
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Life (in years) 9 years 8 months 1 day  
Gross Carrying Amount $ 3,449 0
Accumulated Amortization 300 0
Definite-lived, Net Value $ 3,149 0
Other    
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Life (in years) 1 year  
Gross Carrying Amount $ 103 608
Accumulated Amortization 13 129
Definite-lived, Net Value $ 90 $ 479