Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Oct. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill by reportable segment for fiscal 2025 and 2024 were as follows (dollars in millions):

	Professional		Residential		Other		Total
Balance as of October 31, 2023	$	440.5	$	10.3	$	—	$	450.8
Goodwill divested	(0.5)		(0.5)		—		(1.0)
Translation adjustments	0.4		0.1		—		0.5
Balance as of October 31, 2024	440.4		9.9		—		450.3
Translation adjustments	0.5		0.1				0.6
Balance as of October 31, 2025	$	440.9	$	10.0	$	—	$	450.9

Schedule of Finite-Lived Intangible Assets

The components of other intangible assets were as follows (dollars in millions, except weighted-average useful life in years):

October 31, 2025	Weighted-Average Useful Life in Years	Gross Carrying Amount		Accumulated Amortization		Net
Patents	9.5	$	10.1	$	(9.3)	$	0.8
Customer-related	16.0	320.0		(147.6)		172.4
Developed technology	7.0	107.1		(83.3)		23.8
Trade names	12.9	9.6		(6.9)		2.7
Total finite-lived	13.6	446.8		(247.1)		199.7
Indefinite-lived - trade names		190.6		—		190.6
Total other intangible assets, net		$	637.4	$	(247.1)	$	390.3

October 31, 2024	Weighted-Average Useful Life in Years	Gross Carrying Amount		Accumulated Amortization		Net
Patents	9.9	$	18.2	$	(16.7)	$	1.5
Customer-related	16.0	319.9		(128.0)		191.9
Developed technology	7.1	102.9		(72.9)		30.0
Trade names	13.7	10.7		(7.0)		3.7
Total finite-lived	13.7	451.7		(224.6)		227.1
Indefinite-lived - trade names		271.6		—		271.6
Total other intangible assets, net		$	723.3	$	(224.6)	$	498.7

Schedule of Indefinite-Lived Intangible Assets

The components of other intangible assets were as follows (dollars in millions, except weighted-average useful life in years):

October 31, 2025	Weighted-Average Useful Life in Years	Gross Carrying Amount		Accumulated Amortization		Net
Patents	9.5	$	10.1	$	(9.3)	$	0.8
Customer-related	16.0	320.0		(147.6)		172.4
Developed technology	7.0	107.1		(83.3)		23.8
Trade names	12.9	9.6		(6.9)		2.7
Total finite-lived	13.6	446.8		(247.1)		199.7
Indefinite-lived - trade names		190.6		—		190.6
Total other intangible assets, net		$	637.4	$	(247.1)	$	390.3

October 31, 2024	Weighted-Average Useful Life in Years	Gross Carrying Amount		Accumulated Amortization		Net
Patents	9.9	$	18.2	$	(16.7)	$	1.5
Customer-related	16.0	319.9		(128.0)		191.9
Developed technology	7.1	102.9		(72.9)		30.0
Trade names	13.7	10.7		(7.0)		3.7
Total finite-lived	13.7	451.7		(224.6)		227.1
Indefinite-lived - trade names		271.6		—		271.6
Total other intangible assets, net		$	723.3	$	(224.6)	$	498.7

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense for the succeeding fiscal years is as follows (dollars in millions):

Succeeding fiscal year	Estimated amortization expense
2026	$	29.7
2027	24.7
2028	22.0
2029	20.9
2030	19.6
Thereafter	82.8
Total estimated amortization expense	$	199.7