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Supplementary Data Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Accrued Liabilities [Abstract] |
Schedule of Accrued Liabilities [Table Text Block] | Accrued Liabilities The following table presents the components of accrued liabilities.
| December 31,
| 2016 |  | 2015
Salaries, benefits and related expenses | $ | 499.0 |  |  | $ | 502.4 |
Office and related expenses | 46.7 |  |  | 51.0 |
Acquisition obligations | 77.5 |  |  | 50.1 |
Interest | 17.3 |  |  | 17.3 |
Other | 153.5 |  |  | 127.6 |
Total accrued liabilities | $ | 794.0 |  |  | $ | 748.4 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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