Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 2,661	$ 1,230
Preferred stock, par value	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	46,155,912	45,045,097
Treasury stock, shares	1,202,804	1,144,610