Employee Benefits - Schedule of Changes in Benefit Obligation, Changes in Plan Assets and Funded Status (Details) - USD ($)	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Change in benefit obligation
Benefit obligation, beginning of year	$ 144,500,000	$ 148,000,000.0	$ 230,900,000
Service cost	8,700,000	10,000,000.0	18,300,000
Interest cost	$ 8,400,000	$ 7,900,000	$ 5,100,000
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other liabilities	Other liabilities	Other liabilities
Benefits paid	$ (9,100,000)	$ (10,500,000)	$ (13,100,000)
Actuarial (gain)/loss	26,400,000	(10,900,000)	(93,200,000)
Benefit obligation, end of year	178,900,000	144,500,000	148,000,000.0
Change in plan assets
Fair value of plan assets, beginning of year	137,600,000	142,900,000	199,500,000
Actual return on plan assets	34,800,000	4,100,000	(43,500,000)
Employer contributions	400,000	1,100,000	0
Benefits paid	(9,100,000)	(10,500,000)	(13,100,000)
Fair value of plan assets, end of year	163,700,000	137,600,000	142,900,000
Funded status at end of year	$ (15,200,000)	$ (6,900,000)	$ (5,100,000)