Restructuring Activities (Tables)

6 Months Ended

Jun. 30, 2021

Restructuring and Related Activities [Abstract]

Summary of severance and other restructuring costs

The following table summarizes severance and other restructuring costs, which includes employee-related costs, facility rent and exit costs, relocation, recruiting, travel and other:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Severance:
Cost of sales	$	—	$	1.6	$	—	$	3.9
Selling, general, and administrative expenses	—		1.9		0.3		4.8
Total severance costs	—		3.5		0.3		8.7
Other restructuring:
Cost of sales	0.3		—		0.7		—
Selling, general, and administrative expenses	—		2.1		—		2.1
Total other restructuring costs	0.3		2.1		0.7		2.1
Total restructuring costs	$	0.3	$	5.6	$	1.0	$	10.8

Schedule of rollforward of restructuring cost

The following tables summarize our restructuring activities for the three and six months ended June 30, 2021 and 2020:

	Three Months Ended June 30, 2021
	Cryo Tank Solutions		Heat Transfer Systems		Specialty Products		Repair, Service & Leasing		Corporate		Consolidated
Balance at March 31, 2021	$	0.5	$	—	$	—	$	—	$	—	$	0.5
Restructuring charges	—		0.3		—		—		—		0.3
Cash payments and other	(0.2)		(0.4)		—		—		—		(0.6)
Balance at June 30, 2021	$	0.3	$	(0.1)	$	—	$	—	$	—	$	0.2

	Three Months Ended June 30, 2020
	Cryo Tank Solutions		Heat Transfer Systems		Specialty Products		Repair, Service & Leasing		Corporate		Consolidated
Balance at March 31, 2020	$	1.5	$	0.5	$	—	$	—	$	0.8	$	2.8
Restructuring charges	1.1		2.9		—		—		1.6		5.6
Cash payments and other	(1.2)		(3.2)		—		—		(2.1)		(6.5)
Balance at June 30, 2020	$	1.4	$	0.2	$	—	$	—	$	0.3	$	1.9

	Six Months Ended June 30, 2021
	Cryo Tank Solutions		Heat Transfer Systems		Specialty Products		Repair, Service & Leasing		Corporate		Consolidated
Balance at December 31, 2020	$	0.5	$	0.2	$	—	$	—	$	0.1	$	0.8
Restructuring charges	0.3		0.7		—		—		—		1.0
Cash payments and other	(0.5)		(1.0)		—		—		(0.1)		(1.6)
Balance at June 30, 2021	$	0.3	$	(0.1)	$	—	$	—	$	—	$	0.2

	Six Months Ended June 30, 2020
	Cryo Tank Solutions		Heat Transfer Systems		Specialty Products		Repair, Service & Leasing		Corporate		Consolidated
Balance at December 31, 2019	$	0.5	$	0.2	$	—	$	—	$	0.2	$	0.9
Restructuring charges	2.9		5.7		—		—		2.2		10.8
Cash payments and other	(2.0)		(5.7)		—		—		(2.1)		(9.8)
Balance at June 30, 2020	$	1.4	$	0.2	$	—	$	—	$	0.3	$	1.9