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Acquisition (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 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

- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details

- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details