Restructuring (Tables)

12 Months Ended

Dec. 31, 2021

Restructuring and Related Activities [Abstract]

Summary of all restructuring activities

The following is a summary of the Company's restructuring activities for the years ended December 31, 2021, 2020 and 2019:

	2021			2020			2019
Balance at beginning of period	$	5.3		$	2.0		$	3.3
Restructuring (income) expense*		(1.1	)		9.5			9.8
Use of reserve		(2.7	)		(6.2	)		(10.9	)
Reserve reclassification		—			—			(0.2	)
Currency translation		0.1			—			—
Balance at end of period	$	1.6		$	5.3		$	2.0

*Restructuring expense within the rollforward excludes income related to the forfeiture of equity compensation awards associated with employee separation agreements which was recorded directly to restructuring expense in the Consolidated Statement of Operations and, therefore, did not impact the restructuring accrual.