Goodwill and Other Intangible Assets

12 Months Ended

Oct. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

5 Goodwill and Other Intangible Assets

Goodwill

The changes in the carrying amount of goodwill by reportable segment for fiscal 2024 and 2023 were as follows (dollars in millions):

	Professional		Residential		Other		Total
Balance as of October 31, 2022	$	573.0	$	10.3	$	—	$	583.3
Non-cash impairment charge	(133.3)		—		—		(133.3)
Translation adjustments	0.8		—		—		0.8
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

Other Intangible Assets

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

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

October 31, 2023	Weighted-Average Useful Life in Years	Gross Carrying Amount		Accumulated Amortization		Net
Patents	9.9	$	18.2	$	(16.0)	$	2.2
Non-compete agreements	5.5	6.9		(6.9)		—
Customer-related	15.8	327.5		(106.7)		220.8
Developed technology	7.1	102.0		(63.1)		38.9
Trade names	13.7	10.7		(4.0)		6.7
Backlog and other	0.6	5.7		(5.7)		—
Total finite-lived	13.3	471.0		(202.4)		268.6
Indefinite-lived - trade names		271.5		—		271.5
Total other intangible assets, net		$	742.5	$	(202.4)	$	540.1

Amortization expense for finite-lived intangible assets for the fiscal years ended October 31, 2024, 2023, and 2022 was $34.5 million, $35.7 million, and $33.9 million, respectively. Estimated amortization expense for the succeeding fiscal years is as follows (dollars in millions):

Succeeding fiscal year	Estimated amortization expense
2025	$	30.1
2026	28.9
2027	23.9
2028	21.2
2029	20.1
Thereafter	102.9
Total estimated amortization expense	$	227.1