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Supplemental Cash Flow Disclosures (Tables) | 12 Months Ended
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Jun. 30, 2012
Supplemental Cash Flow Information [Abstract] |
Supplemental Disclosure Of Cash Flow Information |
|  | Year Ended June 30,
|  | 2012 |  | 2011 |  | 2010
Supplemental disclosure of cash flow information: |  |  |  |  |  |
Cash paid during the period for interest |  | $ | 15,305 |  |  | $ | 8,542 |  |  | $ | 10,701 |
Cash received during the period for interest |  | $ | 1,396 |  |  | $ | 1,203 |  |  | $ | 1,141 |
Cash paid during the period for income taxes |  | $ | 15,864 |  |  | $ | 29,551 |  |  | $ | 32,946 |

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