Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Current assets:
Allowance for accounts receivable	$ 30,996	$ 27,349
Shareholders’ equity:
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	3,000,000	3,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	45,000,000	45,000,000
Common Stock, Shares, Issued	27,872,395	27,604,840
Common stock, shares outstanding	27,872,395	27,604,840