Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue
Sales	$ 1,082.3	$ 1,040.3	$ 2,083.8	$ 1,991.0
Point in time
Disaggregation of Revenue
Sales	241.3	403.7	509.5	774.3
Over time
Disaggregation of Revenue
Sales	841.0	636.6	1,574.3	1,216.7
Operating Segments \| Cryo Tank Solutions
Disaggregation of Revenue
Sales	155.9	165.5	309.1	325.2
Operating Segments \| Cryo Tank Solutions \| Point in time
Disaggregation of Revenue
Sales	59.2	100.5	116.6	201.6
Operating Segments \| Cryo Tank Solutions \| Over time
Disaggregation of Revenue
Sales	96.7	65.0	192.5	123.6
Operating Segments \| Heat Transfer Systems
Disaggregation of Revenue
Sales	295.3	236.7	562.6	490.3
Operating Segments \| Heat Transfer Systems \| Point in time
Disaggregation of Revenue
Sales	5.6	11.3	7.0	21.4
Operating Segments \| Heat Transfer Systems \| Over time
Disaggregation of Revenue
Sales	289.7	225.4	555.6	468.9
Operating Segments \| Specialty Products
Disaggregation of Revenue
Sales	292.9	277.6	569.0	514.1
Operating Segments \| Specialty Products \| Point in time
Disaggregation of Revenue
Sales	31.5	78.5	74.1	147.5
Operating Segments \| Specialty Products \| Over time
Disaggregation of Revenue
Sales	261.4	199.1	494.9	366.6
Operating Segments \| Repair, Service & Leasing
Disaggregation of Revenue
Sales	338.2	360.5	643.1	661.5
Operating Segments \| Repair, Service & Leasing \| Point in time
Disaggregation of Revenue
Sales	145.0	213.4	311.8	403.8
Operating Segments \| Repair, Service & Leasing \| Over time
Disaggregation of Revenue
Sales	193.2	147.1	331.3	257.7
Intersegment Eliminations
Disaggregation of Revenue
Sales	0.0	0.0	0.0	(0.1)
Intersegment Eliminations \| Point in time
Disaggregation of Revenue
Sales	0.0	0.0	0.0	0.0
Intersegment Eliminations \| Over time
Disaggregation of Revenue
Sales	$ 0.0	$ 0.0	$ 0.0	$ (0.1)