Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
ASSETS
Allowance for doubtful accounts	$ 955	$ 715
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)	75,331,310	75,289,614
Treasury stock at cost (in shares)	282,437	282,437