XML 52 R56.htm IDEA: XBRL DOCUMENT v3.2.0.727
Long-Lived Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
May. 02, 2015
Apr. 26, 2014
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Life (in years) 17 years  
Gross Carrying Amount $ 2,069 $ 4,146
Accumulated Amortization 245 1,867
Definite-lived, Net Value 1,824 2,279
Indefinite-lived assets 0 401
Definite-lived and Indefinite lived, Gross Carrying Amount 2,069 4,547
Intangibles, net $ 1,824 2,680
Patents    
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Life (in years) 10 years  
Gross Carrying Amount $ 0 2,282
Accumulated Amortization 0 1,730
Definite-lived, Net Value $ 0 552
Trademarks    
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Life (in years) 20 years  
Gross Carrying Amount $ 1,461 1,216
Accumulated Amortization 116 59
Definite-lived, Net Value $ 1,345 1,157
Other    
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Life (in years) 10 years  
Gross Carrying Amount $ 608 648
Accumulated Amortization 129 78
Definite-lived, Net Value $ 479 $ 570