Revenue Recognition (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | |
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Mar. 31, 2023 |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | $ 620.5 | $ 578.8 | $ 1,242.9 | $ 1,119.8 | |
Contract Balances [Abstract] | | | | | |
Contract assets | 18.2 | | 18.2 | | $ 19.3 |
Contract liabilities | 52.5 | | 52.5 | | $ 21.5 |
Decrease in contract assets | | | (1.1) | | |
Increase in contract liabilities | | | 31 | | |
Products Transferred at a Point in Time [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 606.3 | 552.8 | 1,205.4 | 1,065.4 | |
Products Transferred Over Time [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 21.2 | 33.1 | 52.8 | 69.2 | |
Americas [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 353.1 | 339.1 | 679.7 | 642.8 | |
Europe [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 219.5 | 182.2 | 466.7 | 377.3 | |
Asia [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 54.9 | 64.6 | 111.8 | 114.5 | |
Heat Transfer [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 105.8 | 126.3 | 231.7 | 261 | |
HVAC & Refrigeration [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 91.2 | 93.2 | 168.9 | 172.2 | |
Data Center Cooling [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 78.8 | 36.3 | 147 | 66.8 | |
Air-Cooled [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 173.3 | 169.3 | 346 | 322.3 | |
Liquid-Cooled [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 126.4 | 119 | 261.1 | 229.9 | |
Advanced Solutions [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 45 | 34.7 | 88.2 | 67.6 | |
Climate Solutions [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 275.8 | 255.8 | 547.6 | 500 | |
Climate Solutions [Member] | Products Transferred at a Point in Time [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 271.1 | 243 | 528.8 | 473.8 | |
Climate Solutions [Member] | Products Transferred Over Time [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 4.7 | 12.9 | 18.8 | 26.5 | |
Climate Solutions [Member] | Americas [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 163.2 | 156.3 | 304.8 | 295.7 | |
Climate Solutions [Member] | Europe [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 106.6 | 90.9 | 230.3 | 189.9 | |
Climate Solutions [Member] | Asia [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 6 | 8.7 | 12.5 | 14.7 | |
Climate Solutions [Member] | Heat Transfer [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 105.8 | 126.3 | 231.7 | 261 | |
Climate Solutions [Member] | HVAC & Refrigeration [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 91.2 | 93.2 | 168.9 | 172.2 | |
Climate Solutions [Member] | Data Center Cooling [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 78.8 | 36.3 | 147 | 66.8 | |
Climate Solutions [Member] | Air-Cooled [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 0 | 0 | 0 | 0 | |
Climate Solutions [Member] | Liquid-Cooled [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 0 | 0 | 0 | 0 | |
Climate Solutions [Member] | Advanced Solutions [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 0 | 0 | 0 | 0 | |
Performance Technologies [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 344.7 | 323 | 695.3 | 619.8 | |
Performance Technologies [Member] | Products Transferred at a Point in Time [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 335.2 | 309.8 | 676.6 | 591.6 | |
Performance Technologies [Member] | Products Transferred Over Time [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 16.5 | 20.2 | 34 | 42.7 | |
Performance Technologies [Member] | Americas [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 189.9 | 182.8 | 374.9 | 347.1 | |
Performance Technologies [Member] | Europe [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 112.9 | 91.3 | 236.4 | 187.4 | |
Performance Technologies [Member] | Asia [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 48.9 | 55.9 | 99.3 | 99.8 | |
Performance Technologies [Member] | Heat Transfer [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 0 | 0 | 0 | 0 | |
Performance Technologies [Member] | HVAC & Refrigeration [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 0 | 0 | 0 | 0 | |
Performance Technologies [Member] | Data Center Cooling [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 0 | 0 | 0 | 0 | |
Performance Technologies [Member] | Air-Cooled [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 173.3 | 169.3 | 346 | 322.3 | |
Performance Technologies [Member] | Liquid-Cooled [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 126.4 | 119 | 261.1 | 229.9 | |
Performance Technologies [Member] | Advanced Solutions [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 45 | 34.7 | 88.2 | 67.6 | |
Operating Segments [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 627.5 | 585.9 | 1,258.2 | 1,134.6 | |
Operating Segments [Member] | Climate Solutions [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 275.8 | 255.9 | 547.6 | 500.3 | |
Operating Segments [Member] | Performance Technologies [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 351.7 | 330 | 710.6 | 634.3 | |
Inter-segment Sales [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 7 | 7.1 | 15.3 | 14.8 | |
Inter-segment Sales [Member] | Climate Solutions [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | 0 | 0.1 | 0 | 0.3 | |
Inter-segment Sales [Member] | Performance Technologies [Member] | | | | | |
Disaggregation of Revenue [Abstract] | | | | | |
Net sales | $ 7 | $ 7 | $ 15.3 | $ 14.5 | |