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Supplemental Cash Flow Disclosures (Tables) | 9 Months Ended
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Mar. 31, 2012
Supplemental Cash Flow Information [Abstract] |
Supplemental Disclosure Of Cash Flow Information |
| Three Months Ended March 31, |  | Nine Months Ended March 31,
| 2012 |  | 2011 |  | 2012 |  | 2011
Supplemental disclosure of cash flow information: |  |  |  |  |  |  |
Cash paid during the period for interest | $ | 7,296 |  |  | $ | 2,216 |  |  | $ | 11,017 |  |  | $ | 6,523 |
Cash received during the period for interest | $ | 519 |  |  | $ | 376 |  |  | $ | 961 |  |  | $ | 915 |
Cash paid during the period for income taxes | $ | 6,401 |  |  | $ | 14,156 |  |  | $ | 15,058 |  |  | $ | 19,047 |

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