Employee Benefits - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.78%	3.13%	4.42%
Discount rate, decrease	0.35%
Projected defined benefit plan benefit obligation	$ 230.2
Projected defined accumulated benefit obligation	207.0
Defined benefit obligation, actuarial gain (loss)	$ (2.0)	$ (20.0)	$ (36.6)
Expected long-term return on diversified portfolio	8.00%
Company's contribution to the pension plan	$ 12.7	23.4	13.1
Maximum annual contributions per employee in 401k savings plan	75.00%
Contributions by employer in 401k savings plan	$ 7.2	$ 6.8	$ 6.5
Minimum | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Diversified portfolio, allocation of assets in equities	50.00%
Maximum | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Diversified portfolio, allocation of assets in equities	70.00%
Change In Assumptions For Defined Benefit Plans, Change In Key Assumptions
Defined Benefit Plan Disclosure [Line Items]
Defined benefit obligation, actuarial gain (loss)	$ (0.7)
Change In Assumptions For Defined Benefit Plans, Change In Demographic Experience
Defined Benefit Plan Disclosure [Line Items]
Defined benefit obligation, actuarial gain (loss)	(1.3)
Change In Assumptions For Defined Benefit Plans, Change In Discount Rate
Defined Benefit Plan Disclosure [Line Items]
Defined benefit obligation, actuarial gain (loss)	(0.7)
Change In Assumptions For Defined Benefit Plans, Change In Lump Sum Determination
Defined Benefit Plan Disclosure [Line Items]
Defined benefit obligation, actuarial gain (loss)	0.5
Change In Assumptions For Defined Benefit Plans, Change In Mortality Assumption
Defined Benefit Plan Disclosure [Line Items]
Defined benefit obligation, actuarial gain (loss)	$ (0.5)