Restructuring Activities (Tables)

9 Months Ended

Sep. 30, 2021

Restructuring and Related Activities [Abstract]

Summary of accrual and payment activity

Our restructuring expenses for the three months and nine months ended September 30, 2021 and 2020 is summarized in the table below (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Post divestiture restructuring plan	$	2.9	$	0.9	$	5.5	$	1.4
Integration and restructuring of business acquisitions	—		0.5		—		(0.2)
2020 Restructuring	1.7		—		10.4		—
Total Restructuring Costs	$	4.6	$	1.4	$	15.9	$	1.2

We have a liability for employee retention, severance, benefits and other costs associated with our restructuring activities, which is summarized below (in millions):

	Accrual
Balance, December 31, 2020	$	7.2
Total restructuring costs, excluding non-cash charges	9.2
Payments and other	(15.9)
Balance, September 30, 2021	$	0.5