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Acquisition (Tables)
3 Months Ended
Sep. 30, 2012
Business Combinations [Abstract]  
Pro forma operating results
Three months ended September 30 (in thousands)
 
 
2011

Pro forma (unaudited):
 
 
 
Net Sales
 
 
$
721,459

Net income attributable to Kennametal
 
 
$
72,503

Per share data attributable to Kennametal :
 
 
 
Basic earnings per share
 
 
$
0.90

Diluted earnings per share
 
 
$
0.89