Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012
ASSETS
Allowance for doubtful accounts	$ 1,204	$ 955
Stockholders' equity:
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	150,000,000	150,000,000
Common stock, issued (in shares)	75,333,986	75,331,310
Treasury stock at cost (in shares)	282,437	282,437