Segment and Geographic Information, Net Sales, Gross Profit, and Operating Income by Segment (Details) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
|
Mar. 31, 2024
USD ($)
Segment
|
Mar. 31, 2023
USD ($)
|
Mar. 31, 2022
USD ($)
|
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| Segment Information [Abstract] | |||||
| Number of operating segments | Segment | 2 | ||||
| Net sales | $ 2,407.8 | $ 2,297.9 | $ 2,050.1 | ||
| Gross profit | $ 525.6 | $ 389.4 | $ 309.3 | ||
| Gross profit (% of sales) | 21.80% | 16.90% | 15.10% | ||
| Operating income | $ 240.7 | $ 150.4 | $ 119.2 | ||
| Climate Solutions [Member] | |||||
| Segment Information [Abstract] | |||||
| Net sales | 1,054.6 | 1,011.5 | 910.1 | ||
| Performance Technologies [Member] | |||||
| Segment Information [Abstract] | |||||
| Net sales | 1,353.2 | 1,286.4 | 1,140.0 | ||
| Operating Segments [Member] | |||||
| Segment Information [Abstract] | |||||
| Net sales | 2,432.6 | 2,328.1 | 2,082.9 | ||
| Gross profit | $ 526.5 | $ 389.7 | $ 308.5 | ||
| Gross profit (% of sales) | 21.60% | 16.70% | 14.80% | ||
| Operating income | $ 290.3 | $ 189.7 | $ 150.8 | ||
| Operating Segments [Member] | Climate Solutions [Member] | |||||
| Segment Information [Abstract] | |||||
| Net sales | 1,054.6 | 1,011.9 | 910.5 | ||
| Gross profit | $ 275.4 | $ 223.6 | $ 166.3 | ||
| Gross profit (% of sales) | 26.10% | 22.10% | 18.30% | ||
| Operating income | $ 166.9 | $ 124.1 | $ 73.4 | ||
| Operating Segments [Member] | Performance Technologies [Member] | |||||
| Segment Information [Abstract] | |||||
| Net sales | 1,378.0 | 1,316.2 | 1,172.4 | ||
| Gross profit | $ 251.1 | $ 166.1 | $ 142.2 | ||
| Gross profit (% of sales) | 18.20% | 12.60% | 12.10% | ||
| Operating income | $ 123.4 | $ 65.6 | $ 77.4 | ||
| Inter-segment Sales [Member] | |||||
| Segment Information [Abstract] | |||||
| Net sales | (24.8) | (30.2) | (32.8) | ||
| Inter-segment Sales [Member] | Climate Solutions [Member] | |||||
| Segment Information [Abstract] | |||||
| Net sales | 0.0 | (0.4) | (0.4) | ||
| Inter-segment Sales [Member] | Performance Technologies [Member] | |||||
| Segment Information [Abstract] | |||||
| Net sales | (24.8) | (29.8) | (32.4) | ||
| Corporate and Eliminations [Member] | |||||
| Segment Information [Abstract] | |||||
| Gross profit | $ (0.9) | $ (0.3) | $ 0.8 | ||
| Gross profit (% of sales) | 0.00% | 0.00% | 0.00% | ||
| Operating income | [1] | $ (49.6) | $ (39.3) | $ (31.6) | |
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