Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2011	Jun. 30, 2011
Condensed Consolidated Balance Sheets [Abstract]
Allowance for doubtful accounts	$ 31,605	$ 32,282
Accumulated amortization	$ 83,924	$ 84,885
Common stock, par value	$ 0.025	$ 0.025
Common stock, shares authorized	120,000	120,000
Common stock, shares issued	79,921	80,805
Common stock, shares outstanding	79,921	80,805