Reportable Segments - Product Sales Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information
Sales	$ 328.3	$ 273.2	$ 938.8	$ 864.7
North America
Segment Reporting Information
Sales	175.4	140.6	464.6	487.5
Europe, Middle East, Africa and India
Segment Reporting Information
Sales	88.4	90.5	292.2	237.5
Asia-Pacific
Segment Reporting Information
Sales	62.4	40.0	176.1	132.6
Rest of the World
Segment Reporting Information
Sales	2.1	2.1	5.9	7.1
Operating Segments \| Cryo Tank Solutions
Segment Reporting Information
Sales	112.2	102.0	313.9	305.3
Operating Segments \| Cryo Tank Solutions \| North America
Segment Reporting Information
Sales	49.8	38.6	125.3	122.9
Operating Segments \| Cryo Tank Solutions \| Europe, Middle East, Africa and India
Segment Reporting Information
Sales	31.5	41.7	101.9	108.2
Operating Segments \| Cryo Tank Solutions \| Asia-Pacific
Segment Reporting Information
Sales	30.2	20.2	83.5	68.7
Operating Segments \| Cryo Tank Solutions \| Rest of the World
Segment Reporting Information
Sales	0.7	1.5	3.2	5.5
Operating Segments \| Heat Transfer Systems
Segment Reporting Information
Sales	56.4	80.7	190.8	290.9
Operating Segments \| Heat Transfer Systems \| North America
Segment Reporting Information
Sales	38.9	54.2	127.4	207.5
Operating Segments \| Heat Transfer Systems \| Europe, Middle East, Africa and India
Segment Reporting Information
Sales	4.4	9.3	21.0	29.0
Operating Segments \| Heat Transfer Systems \| Asia-Pacific
Segment Reporting Information
Sales	13.0	16.9	41.8	53.6
Operating Segments \| Heat Transfer Systems \| Rest of the World
Segment Reporting Information
Sales	0.1	0.3	0.6	0.8
Operating Segments \| Specialty Products
Segment Reporting Information
Sales	116.9	56.0	301.0	157.5
Operating Segments \| Specialty Products \| North America
Segment Reporting Information
Sales	59.1	21.4	128.5	72.4
Operating Segments \| Specialty Products \| Europe, Middle East, Africa and India
Segment Reporting Information
Sales	46.9	33.3	145.8	78.8
Operating Segments \| Specialty Products \| Asia-Pacific
Segment Reporting Information
Sales	10.4	1.2	25.6	5.9
Operating Segments \| Specialty Products \| Rest of the World
Segment Reporting Information
Sales	0.5	0.1	1.1	0.4
Operating Segments \| Repair, Service & Leasing
Segment Reporting Information
Sales	46.3	36.5	142.3	117.3
Operating Segments \| Repair, Service & Leasing \| North America
Segment Reporting Information
Sales	29.3	27.2	87.8	87.6
Operating Segments \| Repair, Service & Leasing \| Europe, Middle East, Africa and India
Segment Reporting Information
Sales	6.6	7.1	26.2	23.6
Operating Segments \| Repair, Service & Leasing \| Asia-Pacific
Segment Reporting Information
Sales	9.5	2.0	27.2	5.6
Operating Segments \| Repair, Service & Leasing \| Rest of the World
Segment Reporting Information
Sales	0.9	0.2	1.1	0.5
Intersegment Eliminations
Segment Reporting Information
Sales	(3.5)	(2.0)	(9.2)	(6.3)
Intersegment Eliminations \| North America
Segment Reporting Information
Sales	(1.7)	(0.8)	(4.4)	(2.9)
Intersegment Eliminations \| Europe, Middle East, Africa and India
Segment Reporting Information
Sales	(1.0)	(0.9)	(2.7)	(2.1)
Intersegment Eliminations \| Asia-Pacific
Segment Reporting Information
Sales	(0.7)	(0.3)	(2.0)	(1.2)
Intersegment Eliminations \| Rest of the World
Segment Reporting Information
Sales	$ (0.1)	$ 0.0	$ (0.1)	$ (0.1)