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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2012
Jun. 30, 2011
Current assets:    
Allowance for accounts receivable $ 27,349 $ 26,562
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 27,604,840 27,109,932
Common stock, shares outstanding 27,604,840 27,109,932