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Income Taxes (Components Of The Provision For Income Taxes) (Details) (USD $)
In Thousands
12 Months Ended
Jul. 31, 2011
Jul. 31, 2010
Jul. 31, 2009
Income Taxes      
Federal, current $ 26,675 $ 25,455 $ 18,624
State, current 3,555 2,206 2,444
Foreign, current 54,785 33,327 13,176
Income taxes, Current 85,015 60,988 34,244
Federal, deferred 8,556 3,860 (3,888)
State, deferred 191 20 90
Foreign, deferred (6,790) (855) (928)
Income taxes, Deferred 1,957 3,025 (4,726)
Total $ 86,972 $ 64,013 $ 29,518