Restructuring Activities (Tables)

12 Months Ended

Dec. 31, 2020

Restructuring and Related Activities [Abstract]

Schedule of Summary of Severance and Other Restructuring Costs

The following table is a summary of the severance and other restructuring costs, which includes employee-related costs, facility rent and exit costs, relocation, recruiting, travel and other, for the years ended December 31, 2020, 2019 and 2018:

	Year Ended December 31,
	2020		2019		2018
Severance:
Cost of sales	$	4.6	$	2.9	$	—
Selling, general, and administrative expenses	5.5		1.4		3.1
Total severance costs	10.1		4.3		3.1
Other restructuring:
Cost of sales	1.1		9.3		0.8
Selling, general, and administrative expenses	2.4		2.0		0.4
Total other restructuring costs	3.5		11.3		1.2
Total restructuring costs	$	13.6	$	15.6	$	4.3

Schedule of Restructuring Activity by Type

The following tables summarize our restructuring accrual activities:

	Year Ended December 31, 2020
	Cryo Tank Solutions		Heat Transfer Systems		Specialty Products		Repair, Service & Leasing		Corporate		Total
Balance as of December 31, 2019	$	0.5	$	0.2	$	—	$	—	$	0.2	$	0.9
Restructuring charges	2.7		7.4		0.7		0.2		2.6		13.6
Cash payments and other	(2.7)		(7.4)		(0.7)		(0.2)		(2.7)		(13.7)
Balance as of December 31, 2020	$	0.5	$	0.2	$	—	$	—	$	0.1	$	0.8

	Year Ended December 31, 2019
	Cryo Tank Solutions		Heat Transfer Systems		Specialty Products		Repair, Service & Leasing		Corporate		Total
Balance as of December 31, 2018	$	0.7	$	—	$	—	$	—	$	0.1	$	0.8
Restructuring charges	9.1		4.5		0.3		1.5		0.2		15.6
Property, plant and equipment impairment	(3.9)		(1.7)		—		—		—		(5.6)
Cash payments and other	(5.4)		(2.6)		(0.3)		(1.5)		(0.1)		(9.9)
Balance as of December 31, 2019	$	0.5	$	0.2	$	—	$	—	$	0.2	$	0.9

	Year Ended December 31, 2018
	Cryo Tank Solutions		Heat Transfer Systems		Specialty Products		Repair, Service & Leasing		Corporate		Total
Balance as of December 31, 2017	$	0.3	$	—	$	—	$	—	$	1.1	$	1.4
Restructuring charges (credits)	1.7		0.7		(0.3)		(0.1)		2.3		4.3
Cash payments and other	(1.3)		(0.7)		0.3		0.1		(3.3)		(4.9)
Balance as of December 31, 2018	$	0.7	$	—	$	—	$	—	$	0.1	$	0.8