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Acquisitions Redeemable Noncontrolling Interest (Tables) | 12 Months Ended
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Dec. 31, 2019
Business Combinations [Abstract] |
Redeemable Noncontrolling Interest | The following table presents changes in our redeemable noncontrolling interests.
| Years ended December 31,
| 2019 |  | 2018 |  | 2017
Balance at beginning of period | $ | 167.9 |  |  | $ | 252.1 |  |  | $ | 252.8 |
Change in related noncontrolling interests balance | (2.8 | ) |  | (10.7 | ) |  | (2.8 | )
Changes in redemption value of redeemable noncontrolling interests: |  |  |  |  |
Additions | 24.3 |  |  | 0.0 |  |  | 7.7 |
Redemptions and other | (24.9 | ) |  | (33.7 | ) |  | (18.5 | )
Redemption value adjustments | 0.2 |  |  | (39.8 | ) |  | 12.9 |
Balance at end of period | $ | 164.7 |  |  | $ | 167.9 |  |  | $ | 252.1 |

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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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