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CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Apr. 29, 2012
Apr. 24, 2011
Apr. 25, 2010
CONSOLIDATED STATEMENTS OF OPERATIONS      
Income (loss) from discontinued operations, including loss on sale, income tax benefit $ 2,026 $ 5,328 $ 2,330