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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 30, 2012
Jun. 30, 2012
Allowance for doubtful accounts receivable $ 1,765 $ 1,266
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares outstanding 88,914,077 92,049,978
Treasury stock, shares 42,251,824 39,079,910