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Supplementary Data Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2018
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] | Supplemental Cash Flow Information
| Years ended December 31,
| 2018 |  | 2017 |  | 2016
Cash paid for interest | $ | 88.7 |  |  | $ | 82.3 |  |  | $ | 78.8 |
Cash paid for income taxes, net of refunds 1 | 207.9 |  |  | 228.4 |  |  | 244.1 |
1 | Refunds of $24.3, $31.9 and $26.6 were received for the years ended December 31, 2018, 2017 and 2016, respectively.

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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- References No definition available. + Details
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