Restructuring (Tables)

12 Months Ended

Dec. 31, 2021

Restructuring and Related Activities [Abstract]

Summary of Restructuring Activity

A summary of 2021 activity is shown below (in millions):

	Accrual as of		2021		Utilization				Accrual as of
	January 1, 2021		Charges		Cash		Non-cash		December 31, 2021
Employee termination benefits	$	134.8	$	85.1	$	(87.5)	$	(6.3)	$	126.1
Asset impairments	—		11.4		—		(11.4)		—
Contract termination costs	4.2		0.3		(1.2)		—		3.3
Other related costs	—		4.1		(4.1)		—		—
Total	$	139.0	$	100.9	$	(92.8)	$	(17.7)	$	129.4

A summary of 2020 activity, excluding the pension benefit plan settlement losses of $12.9 million, is shown below (in millions):

	Accrual as of		2020		Utilization				Accrual as of
	January 1, 2020		Charges		Cash		Non-cash		December 31, 2020
Employee termination benefits	$	152.8	$	104.2	$	(122.2)	$	—	$	134.8
Asset impairments	—		23.3		—		(23.3)		—
Contract termination costs	4.9		2.0		(2.7)		—		4.2
Other related costs	—		2.5		(2.5)		—		—
Total	$	157.7	$	132.0	$	(127.4)	$	(23.3)	$	139.0

A summary of 2019 activity, excluding the other postretirement curtailment gain of $10.6 million, is shown below (in millions):

	Accrual as of		2019		Utilization				Accrual as of
	January 1, 2019		Charges		Cash		Non-cash		December 31, 2019
Employee termination benefits	$	103.3	$	167.8	$	(118.3)	$	—	$	152.8
Asset impairments	—		9.5		—		(9.5)		—
Contract termination costs	5.4		3.0		(3.5)		—		4.9
Other related costs	—		13.9		(13.9)		—		—
Total	$	108.7	$	194.2	$	(135.7)	$	(9.5)	$	157.7