SEGMENT INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Revenues
Revenues	$ 1,991.3	$ 1,936.2
Operating profit
Operating profit	71.4	106.0
Income from unconsolidated affiliates	1.1	0.5
Interest expense	(19.8)	(6.2)
Income before income taxes	52.7	100.3
Business & Industry
Revenues
Revenues	1,036.6	1,029.5
Manufacturing & Distribution
Revenues
Revenues	380.5	359.1
Education
Revenues
Revenues	214.9	205.7
Aviation
Revenues
Revenues	212.3	200.3
Technical Solutions
Revenues
Revenues	147.0	141.8
Technical Solutions | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Customer Contracts for Healthcare Technology Management
Operating profit
Gain on sale of assets	7.7
Operating Segments | Business & Industry
Revenues
Revenues	1,036.6	1,029.5
Operating profit
Operating profit	75.9	83.3
Operating Segments | Manufacturing & Distribution
Revenues
Revenues	380.5	359.1
Operating profit
Operating profit	40.9	40.6
Operating Segments | Education
Revenues
Revenues	214.9	205.7
Operating profit
Operating profit	11.8	12.6
Operating Segments | Aviation
Revenues
Revenues	212.3	200.3
Operating profit
Operating profit	8.3	8.9
Operating Segments | Technical Solutions
Revenues
Revenues	147.0	141.8
Operating profit
Operating profit	7.2	16.9
Operating Segments | Government Services
Operating profit
Operating profit	0.0	(0.1)
Corporate
Operating profit
Operating profit	(71.5)	(55.8)
Segment Reconciling Items
Operating profit
Income from unconsolidated affiliates	(1.1)	(0.5)
Adjustment for tax deductions for energy efficient government buildings, included in Technical Solutions	$ (0.1)	$ 0.0