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Acquisitions (Goodwill) (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Oct. 26, 2012
Apr. 27, 2012
Oct. 26, 2012
Kettle Creations [Member]
Goodwill [Roll Forward]      
Goodwill, Beginning Balance: $ 19,809 [1] $ 1,567  
GoodwillAcquiredDuringPeriod     18,242
Goodwill, Ending Balance: $ 19,809 [1] $ 1,567  
[1] Unaudited