Schedule II - Valuation and Qualifying Accounts (Details) $ in Millions |
3 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
|
Oct. 31, 2023
Business
|
Dec. 31, 2023
Business
|
Mar. 31, 2024
USD ($)
Business
|
Mar. 31, 2023
USD ($)
|
Mar. 31, 2022
USD ($)
|
|||
| Valuation and Qualifying Accounts [Roll Forward] | |||||||
| Number of automotive businesses sold | Business | 3 | 3 | 3 | ||||
| Valuation Allowance for Deferred Tax Assets [Member] | |||||||
| Valuation and Qualifying Accounts [Roll Forward] | |||||||
| Balance at beginning of period | $ 61.6 | $ 112.2 | $ 90.7 | ||||
| Additions charged (benefit) to costs and expenses | 11.9 | (49.7) | (4.6) | ||||
| Additions charged to other accounts | [1] | (10.5) | (0.9) | (1.0) | |||
| Reclassified as held for sale | 0.0 | 0.0 | 27.1 | ||||
| Balance at end of period | $ 63.0 | $ 61.6 | $ 112.2 | ||||
| |||||||