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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data | Jun. 30, 2011 | Jun. 30, 2010
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Consolidated Balance Sheets |  |
Accounts receivable trade, allowance for doubtful accounts | $ 5,424 | $ 4,868
Common Shares, issued and outstanding | 57,301,812 | 56,825,995
Treasury stock, shares | 572,413 | 307,579

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