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Income Tax 2 (Details) (USD $)
In Thousands
12 Months Ended
Apr. 27, 2011
Apr. 28, 2010
Apr. 29, 2009
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest [Abstract]      
Domestic $ 565,831 $ 499,059 $ 534,217
Foreign 808,338 791,395 785,666
Income from continuing operations before income taxes $ 1,374,169 $ 1,290,454 $ 1,319,883