Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
Allowance for doubtful accounts	$ 8,900	$ 7,500
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	5,000	5,000
Preferred stock, issued
Preferred stock, outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	150,000	150,000
Common stock, issued	76,815	80,577
Common stock, outstanding	76,815	80,577