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Acquisitions (Supplemental Pro Forma Information) (Details) (USD $)
In Thousands, except Per Share data
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Acquisitions    
Net sales $ 2,786,905 $ 2,247,721
Net income $ 75,982 $ 53,232
Diluted earnings per share $ 2.79 $ 1.98