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Acquisitions (Tables) | 6 Months Ended
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Jun. 30, 2016
Business Combinations [Abstract] |
Cash Paid For Current And Prior Years' Acquisitions [Table Text Block] | Details of cash paid for current and prior years' acquisitions are listed below.
| Six months ended June 30,
| 2016 |  | 2015
Cost of investment: current-year acquisitions | $ | 36.5 |  |  | $ | 0.0 |
Cost of investment: prior-year acquisitions | 29.7 |  |  | 27.8 |
Less: net cash acquired | (2.7 | ) |  | 0.0 |
Total cost of investment | 63.5 |  |  | 27.8 |
Operating expense 1 | 17.4 |  |  | 17.6 |
Total cash paid for acquisitions 2 | $ | 80.9 |  |  | $ | 45.4 |
1 | Represents cash payments made that were either in excess of the initial value of contingent payments or contingent upon the future employment of the former owners of the acquired companies and are recorded in the operating section of the unaudited Consolidated Statements of Cash Flows.
2 | $34.3 for the six months ended June 30, 2016 is classified under the investing section of the unaudited Consolidated Statements of Cash Flows, as acquisitions, net of cash acquired. This amount relates to initial payments for new transactions. $29.2 of cash paid for six months ended June 30, 2016 is classified under the financing section of the unaudited Consolidated Statements of Cash Flows as acquisition-related payments. This amount relates to deferred payments and increases in our ownership interest for prior acquisitions.
Redeemable Noncontrolling Interest [Table Text Block] | The following table presents changes in our redeemable noncontrolling interests.
| Six months ended June 30,
| 2016 |  | 2015
Balance at beginning of period | $ | 251.9 |  |  | $ | 257.4 |
Change in related noncontrolling interests balance | (2.6 | ) |  | (8.3 | )
Changes in redemption value of redeemable noncontrolling interests: |  |  |
Redemptions and other | (9.7 | ) |  | (22.5 | )
Redemption value adjustments | 6.7 |  |  | 3.5 |
Balance at end of period | $ | 246.3 |  |  | $ | 230.1 |

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- Definition [Table Text Block] for Acquisitions Cash Paid For Current And Prior Years' Acquisitions [Table] + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References No definition available. + Details
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