Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Per Share data	Sep. 30, 2011	Jun. 30, 2011
Current assets:
Allowance for doubtful accounts	$ 18,926	$ 20,958
Other assets:
Accumulated amortization on other intangible assets	$ 80,015	$ 78,712
Kennametal Shareowners' Equity:
Preferred stock, par value
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares issued
Capital stock, par value	$ 1.25	$ 1.25
Capital stock, shares authorized	120,000	120,000
Capital stock, shares issued	79,390	81,129