XML 61 R50.htm IDEA: XBRL DOCUMENT v3.22.1
Warranties - Schedule of Changes in Warranty Liability (Detail) - USD ($)
$ in Millions
6 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Guarantees [Abstract]    
Balance at beginning of period $ 37.6 $ 37.0
Warranty provisions 12.5 16.7
Settlements made (14.9) (16.7)
Warranties for prior year acquisition   1.2
Balance at end of period $ 35.2 $ 38.2