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Acquisition (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Mar. 31, 2012
Pro forma (unaudited):
Net Sales	$ 2,159,679
Net income attributable to Kennametal	$ 228,839
Per share data attributable to Kennametal :
Basic earnings per share	$ 2.85
Diluted earnings per share	$ 2.81

- 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