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Acquisitions Acquisitions (Tables) | 6 Months Ended
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Jun. 30, 2020
Business Combinations [Abstract] |
Redeemable Noncontrolling Interest [Table Text Block] | Redeemable Noncontrolling Interests Many of our acquisitions include provisions under which the noncontrolling equity owners may require us to purchase additional interests in a subsidiary at their discretion. Redeemable noncontrolling interests are adjusted quarterly, if necessary, to their estimated redemption value, but not less than their initial fair value. Any adjustments to the redemption value impact retained earnings or additional paid in capital, except for foreign currency translation adjustments. The following table presents changes in our redeemable noncontrolling interests.
| Six months ended June 30,
| 2020 |  | 2019
Balance at beginning of period | $ | 164.7 |  |  | $ | 167.9 |
Change in related noncontrolling interests balance | (3.1 | ) |  | 0.2 |
Changes in redemption value of redeemable noncontrolling interests: |  |  |
Additions | 0.0 |  |  | 24.3 |
Redemptions | (2.5 | ) |  | (3.1 | )
Redemption value adjustments | (3.9 | ) |  | (1.0 | )
Balance at end of period | $ | 155.2 |  |  | $ | 188.3 |

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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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