Annual report pursuant to Section 13 and 15(d)

Unaudited Pro Forma Results of Acquisition as if Tocris Acquisition Had Occurred at the Beginning of Fiscal 2010 (Detail)

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Unaudited Pro Forma Results of Acquisition as if Tocris Acquisition Had Occurred at the Beginning of Fiscal 2010 (Detail) (USD $)
In Thousands, except Per Share data
 12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Reported      
Net sales $ 289,962 $ 269,047 $ 263,956
Net earnings 112,302 109,776 105,242
Net earnings per share:      
Basic $ 3.03 $ 2.95 $ 2.78
Diluted $ 3.02 $ 2.94 $ 2.78
Pro forma (Unaudited)      
Net sales 305,860 286,913  
Net earnings $ 118,641 $ 113,558  
Net earnings per share:      
Basic $ 3.20 $ 3.05  
Diluted $ 3.19 $ 3.04