Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data	Jun. 30, 2011	Jun. 30, 2010
Current assets:
Allowance for doubtful accounts	$ 20,958	$ 24,789
Other assets:
Accumulated amortization on other intangible assets	$ 78,712	$ 63,343
Kennametal shareowners' Equity:
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares issued	0	0
Capital stock, par value	$ 1.25	$ 1.25
Capital stock, shares authorized	120,000	120,000
Capital stock, shares issued	81,129	81,903