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v3.25.1

Revenue Recognition (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Abstract] |  |  |
Net sales | $ 2,583.5 | $ 2,407.8 | $ 2,297.9
Contract Balances [Abstract] |  |  |
Contract assets | 13.3 | 12.9 |
Contract liabilities | 35.1 | 79.4 |
Increase in contract assets | 0.4 |  |
Decrease in contract liabilities | (44.5) | 58.3 | 10.3
Decrease in contract liabilities including FX | (44.3) |  |
Americas |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 1,693.4 | 1,370.0 | 1,280.0
Europe |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 711.7 | 839.5 | 813.5
Asia |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | $ 199.2 | 219.9 | 230.7
Maximum |  |  |
Revenue Recognition [Abstract] |  |  |
Period of time after billing when payment is received | 90 days |  |
Heat Transfer |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | $ 402.9 | 473.4 | 541.3
HVAC&R |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 393.5 | 340.5 | 341.0
Data Center Cooling |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 644.2 | 294.2 | 173.8
Air-Cooled |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 609.0 | 681.2 | 658.6
Liquid-Cooled |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 404.5 | 491.6 | 483.9
Advanced Solutions |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 129.4 | 126.9 | 99.3
Climate Solutions |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 1,440.6 | 1,108.1 | 1,056.1
Climate Solutions | Americas |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 997.8 | 649.0 | 615.4
Climate Solutions | Europe |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 415.8 | 432.7 | 416.3
Climate Solutions | Asia |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 27.2 | 26.4 | 25.0
Climate Solutions | Heat Transfer |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 402.9 | 473.4 | 541.3
Climate Solutions | HVAC&R |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 393.5 | 340.5 | 341.0
Climate Solutions | Data Center Cooling |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 644.2 | 294.2 | 173.8
Climate Solutions | Air-Cooled |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 0.0 | 0.0 | 0.0
Climate Solutions | Liquid-Cooled |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 0.0 | 0.0 | 0.0
Climate Solutions | Advanced Solutions |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 0.0 | 0.0 | 0.0
Performance Technologies |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 1,142.9 | 1,299.7 | 1,241.8
Performance Technologies | Americas |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 695.6 | 721.0 | 664.6
Performance Technologies | Europe |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 295.9 | 406.8 | 397.2
Performance Technologies | Asia |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 172.0 | 193.5 | 205.7
Performance Technologies | Heat Transfer |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 0.0 | 0.0 | 0.0
Performance Technologies | HVAC&R |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 0.0 | 0.0 | 0.0
Performance Technologies | Data Center Cooling |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 0.0 | 0.0 | 0.0
Performance Technologies | Air-Cooled |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 609.0 | 681.2 | 658.6
Performance Technologies | Liquid-Cooled |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 404.5 | 491.6 | 483.9
Performance Technologies | Advanced Solutions |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 129.4 | 126.9 | 99.3
Operating Segments |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 2,604.3 | 2,429.4 | 2,324.2
Operating Segments | Climate Solutions |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 1,440.8 | 1,108.1 | 1,056.7
Operating Segments | Performance Technologies |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 1,163.5 | 1,321.3 | 1,267.5
Inter-segment Sales |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | 20.8 | (21.6) | 26.3
Inter-segment Sales | Climate Solutions |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | (0.2) | 0.0 | (0.6)
Inter-segment Sales | Performance Technologies |  |  |
Disaggregation of Revenue [Abstract] |  |  |
Net sales | $ (20.6) | $ (21.6) | $ (25.7)

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