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SUPPLEMENTAL CASH FLOW INFORMATION (Tables) | 12 Months Ended
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May 31, 2016
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures | Supplemental cash flow disclosures for the years ended May 31, 2016, 2015, and 2014 are as follows:
| 2016 |  | 2015 |  | 2014
| (in thousands)
Income taxes paid, net of refunds | $ | 89,684 |  |  | $ | 66,726 |  |  | $ | 94,938 |
Interest paid | $ | 58,730 |  |  | $ | 36,537 |  |  | $ | 33,214 |

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