Revenue Recognition - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Oct. 31, 2023	Oct. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue recognized included in customer advances	$ 44.2	$ 44.6	$ 93.0	$ 82.2
Customer advances					$ 357.4	$ 332.8
Performance obligations, expected to be satisfied	3,063.9		3,063.9
Interest Expense [Member]
Disaggregation of Revenue [Line Items]
Interest charges	$ 2.2	$ 2.2	$ 4.5	$ 4.1