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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands | Mar. 31, 2018 | Jun. 30, 2017
--- | --- | ---
Current assets: |  |
Allowance for accounts receivable | $ 47,139 | $ 44,434
Stockholders' Equity Attributable to Parent [Abstract] |  |
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, share issued (in shares) | 25,572,162 | 25,431,845
Common stock, shares outstanding (in shares) | 25,572,162 | 25,431,845

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