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Contingent Acquisition Obligations (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Deferred acquisition payments |
Business Acquisition, Contingent Consideration [Line Items] |
Future contingent acquisition obligation due in 2018 | $ 15.4
Future contingent acquisition obligation due in 2019 | 8.5
Future contingent acquisition obligation due in 2020 | 8.1
Future contingent acquisition obligation due in 2021 | 0.0
Future contingent acquisition obligation due in 2022 | 2.5
Future contingent acquisition obligation due thereafter | 0.0
Future contingent acquisition obligation due, total | 34.5
Redeemable noncontrolling interests and call options with affiliates |
Business Acquisition, Contingent Consideration [Line Items] |
Future contingent acquisition obligation due in 2018 | 6.4
Future contingent acquisition obligation due in 2019 | 8.2
Future contingent acquisition obligation due in 2020 | 2.2
Future contingent acquisition obligation due in 2021 | 0.0
Future contingent acquisition obligation due in 2022 | 0.0
Future contingent acquisition obligation due thereafter | 0.0
Future contingent acquisition obligation due, total | 16.8
Redeemable at noncontrolling equity owners discretion |
Business Acquisition, Contingent Consideration [Line Items] |
Future contingent acquisition obligation due in 2018 | 3.8
Total contingent acquisition payments |
Business Acquisition, Contingent Consideration [Line Items] |
Future contingent acquisition obligation due in 2018 | 21.8
Future contingent acquisition obligation due in 2019 | 16.7
Future contingent acquisition obligation due in 2020 | 10.3
Future contingent acquisition obligation due in 2021 | 0.0
Future contingent acquisition obligation due in 2022 | 2.5
Future contingent acquisition obligation due thereafter | 0.0
Future contingent acquisition obligation due, total | $ 51.3

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