Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Current assets:
Allowance for accounts receivable	$ 26,257	$ 25,479
Shareholders’ equity:
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	3,000,000	3,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	45,000,000	45,000,000
Common stock, shares issued (in shares)	28,539,481	27,971,809
Common stock, shares outstanding (in shares)	28,539,481	27,971,809