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ACQUISITIONS - Narratives (Details) $ in Millions				12 Months Ended
	Jan. 26, 2022 USD ($)	Sep. 01, 2021 USD ($) entity	May 05, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Business Acquisition
Payments to acquire business				$ 22.6	$ 536.5	$ 9.0
Publicly Traded Company In Turkey
Business Acquisition
Noncontrolling interest, ownership percentage by parent		19.70%
Equity method investment, fair value		$ 32.4
HSO Acquisitions
Business Acquisition
Payments to acquire business	$ 23.0
HSO Acquisitions | Customer relationships
Business Acquisition
Finite-lived intangibles assets	$ 11.7
Coventya
Business Acquisition
Payments to acquire business		486.0
Non-controlling interests		$ 39.6
Number of entities acquired (entity) | entity		4
HKW
Business Acquisition
Payments to acquire business			$ 50.9
Non-controlling interests			$ 0.0

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