Segment and Geographic Information - Segment Income (Details) - USD ($) $ in Millions	3 Months Ended									12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information
Sales	$ 378.9	$ 328.3	$ 322.0	$ 288.5	$ 312.4	$ 273.2	$ 289.6	$ 301.9		$ 1,317.7	$ 1,177.1	$ 1,215.5
Depreciation and amortization expense										80.6	84.5	77.7
Operating income (loss)	$ 20.4	$ 13.8	$ 25.5	$ 28.8	$ 22.5	$ 28.1	$ 25.8	$ 15.8		88.5	92.2	52.0
Restructuring charges										3.5	13.6	15.6
Transaction related costs										2.5	2.6
Integration costs										2.8
Asset impairments										0.0	16.0	0.0
AXC
Segment Reporting Information
Transaction related costs												5.4
Prior Period Acquisitions
Segment Reporting Information
Integration costs												4.3
Operating Segments | Cryo Tank Solutions
Segment Reporting Information
Sales										447.4	415.8	409.9
Depreciation and amortization expense										14.9	18.5	19.5
Operating income (loss)										52.9	52.5	25.7
Restructuring charges										0.3	2.7	9.1
Operating Segments | Heat Transfer Systems
Segment Reporting Information
Sales										262.7	369.8	441.7
Depreciation and amortization expense										37.6	48.3	42.0
Operating income (loss)										(12.3)	11.2	17.7
Restructuring charges										1.7	7.4	4.5
Operating Segments | Specialty Products
Segment Reporting Information
Sales										432.9	242.6	207.9
Depreciation and amortization expense										15.1	4.8	4.9
Operating income (loss)										94.1	60.7	48.1
Restructuring charges										0.0	0.7	0.3
Operating Segments | Repair, Service & Leasing
Segment Reporting Information
Sales										187.0	158.3	162.6
Depreciation and amortization expense										11.3	10.9	9.7
Operating income (loss)										23.3	30.3	27.9
Restructuring charges									$ (1.6)	1.5	0.2	1.5
Intersegment Eliminations
Segment Reporting Information
Sales										(12.3)	(9.4)	(6.6)
Depreciation and amortization expense										0.0	0.0	0.0
Operating income (loss)										0.0	0.0	0.0
Corporate
Segment Reporting Information
Sales										0.0	0.0	0.0
Depreciation and amortization expense										1.7	2.0	1.6
Operating income (loss)										(69.5)	(62.5)	(67.4)
Restructuring charges										$ 0.0	$ 2.6	$ 0.2