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Supplementary Data (Tables) | 9 Months Ended
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Sep. 30, 2019
Supplementary Data [Abstract] |
Accrued Liabilities | The following table presents the components of accrued liabilities.
| September 30, 2019 |  | December 31, 2018
Salaries, benefits and related expenses | $ | 395.3 |  |  | $ | 494.9 |
Interest | 59.1 |  |  | 43.6 |
Acquisition obligations | 41.6 |  |  | 65.7 |
Office and related expenses | 24.3 |  |  | 52.2 |
Restructuring charges | 3.6 |  |  | 0.0 |
Other | 110.4 |  |  | 150.5 |
Total accrued liabilities | $ | 634.3 |  |  | $ | 806.9 |
Other Income (Expense), Net | Results of operations for the three and nine months ended September 30, 2019 and 2018 include certain items that are not directly associated with our revenue-producing operations.
| Three months ended September 30, |  | Nine months ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Net losses on sales of businesses | $ | (7.7 | ) |  | $ | (5.8 | ) |  | $ | (19.5 | ) |  | $ | (50.0 | )
Other | 0.3 |  |  | (9.5 | ) |  | 1.4 |  |  | (6.0 | )
Total other expense, net | $ | (7.4 | ) |  | $ | (15.3 | ) |  | $ | (18.1 | ) |  | $ | (56.0 | )

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