Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Jun. 30, 2013
Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 12,696	$ 9,912
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.004	$ 0.004
Common stock, shares authorized	350,000,000	350,000,000
Common stock, shares issued	175,593,672	174,038,766
Common stock, shares outstanding	141,592,659	142,012,753
Treasury stock, shares held	34,001,013	32,026,013