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Acquisitions (Unaudited Pro Forma Results Of Operations) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Acquisitions [Abstract]        
Pro forma net sales $ 409,784 $ 384,478 $ 770,063 $ 710,803
Pro forma net income $ 23,611 $ 21,039 $ 35,672 $ 31,311
Pro forma earnings per common share - diluted $ 0.52 $ 0.47 $ 0.78 $ 0.71