GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Oct. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Goodwill

(in millions)	Business & Industry		Manufacturing & Distribution		Education		Aviation		Technical Solutions		Total
Balance at October 31, 2021	$	1,129.8	$	407.2	$	459.3	$	69.9	$	162.7	2,228.9
Acquisitions	61.7		—		—		—		207.5		269.2
Foreign currency translation	(8.7)		—		—		(1.1)		(2.7)		(12.6)
Reallocation (1)	(95.0)		95.0		—		—		—		—
Balance at October 31, 2022	$	1,087.8	$	502.2	$	459.3	$	68.7	$	367.4	$	2,485.6
Acquisitions (2)	1.3		—		—		—		(0.1)		1.1
Foreign currency translation	3.6		—		—		0.3		0.8		4.7
Balance at October 31, 2023	$	1,092.9	$	502.2	$	459.3	$	69.0	$	368.0	$	2,491.3

(1) In connection with the reorganization of our T&M segment in the first quarter of 2022, we reallocated $95.0 million of goodwill from our B&I segment to our M&D segment using a relative fair value approach.

(2) During 2023, represents final acquisition accounting adjustments to goodwill from RavenVolt and Momentum acquisitions. See Note 3, “Acquisitions and Dispositions,” for additional information.

Schedule of Other Intangible Assets

Other Intangible Assets

	As of October 31,
	2023						2022
(in millions)	Gross Carrying Amount		Accumulated Amortization		Total		Gross Carrying Amount		Accumulated Amortization		Total
Customer contracts and relationships	$	714.1	$	(413.2)	$	300.9	$	801.6	$	(442.1)	$	359.6
Trademarks and trade names	12.1		(11.1)		1.0		21.4		(15.4)		6.1
Contract rights and other	15.0		(14.0)		1.1		15.3		(2.4)		12.9
Total(1)	$	741.2	$	(438.3)	$	302.9	$	838.4	$	(459.8)	$	378.5

(1) These intangible assets are being amortized over the expected period of benefit, with a weighted average life of approximately 11 years.

Schedule of Estimated Annual Amortization Expense

Estimated Annual Amortization Expense for Each of the Next Five Years

(in millions)	2024		2025		2026		2027		2028
Estimated amortization expense(1)	$	54.4	$	47.4	$	41.3	$	35.9	$	30.9

(1) These amounts could vary as acquisitions of additional intangible assets occur in the future and as acquisition accounting is finalized for existing acquisitions.