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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue
Sales to external customers	$ 1,040.3	$ 908.1	$ 1,991.0	$ 1,439.6
Point in time
Disaggregation of Revenue
Sales to external customers	403.7	349.4	774.3	523.7
Over time
Disaggregation of Revenue
Sales to external customers	636.6	558.7	1,216.7	915.9
Operating Segments | Cryo Tank Solutions
Disaggregation of Revenue
Sales to external customers	165.5	152.7	325.2	276.2
Operating Segments | Cryo Tank Solutions | Point in time
Disaggregation of Revenue
Sales to external customers	100.5	96.5	201.6	186.8
Operating Segments | Cryo Tank Solutions | Over time
Disaggregation of Revenue
Sales to external customers	65.0	56.2	123.6	89.4
Operating Segments | Heat Transfer Systems
Disaggregation of Revenue
Sales to external customers	236.7	236.0	490.3	403.5
Operating Segments | Heat Transfer Systems | Point in time
Disaggregation of Revenue
Sales to external customers	11.3	20.6	21.4	32.0
Operating Segments | Heat Transfer Systems | Over time
Disaggregation of Revenue
Sales to external customers	225.4	215.4	468.9	371.5
Operating Segments | Specialty Products
Disaggregation of Revenue
Sales to external customers	277.6	236.7	514.1	362.9
Operating Segments | Specialty Products | Point in time
Disaggregation of Revenue
Sales to external customers	78.5	58.0	147.5	61.5
Operating Segments | Specialty Products | Over time
Disaggregation of Revenue
Sales to external customers	199.1	178.7	366.6	301.4
Operating Segments | Repair, Service & Leasing
Disaggregation of Revenue
Sales to external customers	360.5	298.7	661.5	417.2
Operating Segments | Repair, Service & Leasing | Point in time
Disaggregation of Revenue
Sales to external customers	213.4	184.6	403.8	256.1
Operating Segments | Repair, Service & Leasing | Over time
Disaggregation of Revenue
Sales to external customers	147.1	114.1	257.7	161.1
Intersegment Eliminations
Disaggregation of Revenue
Sales to external customers	0.0	(16.0)	(0.1)	(20.2)
Intersegment Eliminations | Point in time
Disaggregation of Revenue
Sales to external customers	0.0	(10.3)	0.0	(12.7)
Intersegment Eliminations | Over time
Disaggregation of Revenue
Sales to external customers	$ 0.0	$ (5.7)	$ (0.1)	$ (7.5)

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