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Restructuring and Acquisition Charges (Tables)

12 Months Ended

Dec. 31, 2022

Restructuring and Related Activities [Abstract]

Restructuring, Impairment, and Other Activities Disclosure

Restructuring and acquisition charges are presented in the table below.

			Year Ended December 31,
(in millions)			2022			2021			2020
Severance and other employment-related charges			$	44.5		14.3			69.0
Restructuring, pre-acquisition and post-acquisition charges			57.5			50.0			51.5
Stock-based compensation expense for HFF retention awards			6.1			17.8			36.7
Fair value adjustments to earn-out liabilities			(3.3)			2.6			(14.8)
Restructuring and acquisition charges			$	104.8		84.7			142.4

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- Definition

The entire disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets.

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