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Accumulated Other Comprehensive Loss (Details)
$ in Millions
 12 Months Ended
Oct. 31, 2023
item
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
item
Changes in Accumulated Other Comprehensive Loss [Abstract]      
Balance   $ 747.6  
Other comprehensive income (loss) before reclassifications   (23.6) $ (3.4)
Unrecognized net pension gain in disposed businesses     (0.6)
Income taxes   1.6 (1.4)
Total other comprehensive income (loss)   (17.9) (2.3)
Balance   910.2 $ 747.6
Number of automotive businesses sold | item 3   3
Accumulated Other Comprehensive Loss [Member]      
Changes in Accumulated Other Comprehensive Loss [Abstract]      
Balance   (163.4) $ (161.1)
Balance   (181.3) (163.4)
Foreign Currency Translation [Member]      
Changes in Accumulated Other Comprehensive Loss [Abstract]      
Balance   (62.8) (57.5)
Other comprehensive income (loss) before reclassifications   (14.0) (5.3)
Income taxes   0.0 0.0
Total other comprehensive income (loss)   (14.0) (5.3)
Balance   (76.8) (62.8)
Defined Benefit Plans [Member]      
Changes in Accumulated Other Comprehensive Loss [Abstract]      
Balance   (100.7) (104.4)
Other comprehensive income (loss) before reclassifications   (8.7) 1.8
Reclassification from accumulated other comprehensive income (loss) [1]   4.2 4.1
Unrecognized net pension gain in disposed businesses     (0.6)
Income taxes   1.4 (1.6)
Total other comprehensive income (loss)   (3.1) 3.7
Balance   (103.8) (100.7)
Cash Flow Hedges [Member]      
Changes in Accumulated Other Comprehensive Loss [Abstract]      
Balance   0.1 0.8
Other comprehensive income (loss) before reclassifications   (0.9) 0.1
Reclassification from accumulated other comprehensive income (loss)   (0.1) (1.0)
Income taxes   0.2 0.2
Total other comprehensive income (loss)   (0.8) (0.7)
Balance   $ (0.7) $ 0.1
[1] Amounts are included in the calculation of net periodic benefit cost for the Company’s defined benefit plans, which include pension and other postretirement plans. See Note 18 for additional information about the Company’s pension plans.