SEGMENT INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Revenues
Total Revenues	$ 2,111.7	$ 2,018.2	$ 4,226.6	$ 4,087.8
Operating profit
Total operating profit	82.3	81.3	159.9	155.4
Income from unconsolidated affiliates	1.4	1.7	2.1	3.0
Interest expense	(23.9)	(20.6)	(46.8)	(41.9)
Income before income taxes	59.8	62.4	115.2	116.4
Business & Industry
Revenues
Total Revenues	1,015.5	989.6	2,038.4	2,022.8
Manufacturing & Distribution
Revenues
Total Revenues	398.1	388.6	792.4	789.5
Aviation
Revenues
Total Revenues	260.1	238.2	530.2	487.8
Education
Revenues
Total Revenues	227.8	225.6	453.2	445.7
Technical Solutions
Revenues
Total Revenues	210.2	176.2	412.4	342.1
Operating Segments \| Business & Industry
Operating profit
Total operating profit	83.0	77.6	162.4	157.2
Operating Segments \| Manufacturing & Distribution
Operating profit
Total operating profit	39.9	43.6	79.3	85.0
Operating Segments \| Aviation
Operating profit
Total operating profit	16.5	13.1	28.7	22.8
Operating Segments \| Education
Operating profit
Total operating profit	13.8	11.5	27.8	24.3
Operating Segments \| Technical Solutions
Operating profit
Total operating profit	13.4	17.0	30.0	23.5
Corporate
Operating profit
Total operating profit	(82.9)	(79.7)	(166.1)	(154.4)
Segment Reconciling Items
Operating profit
Income from unconsolidated affiliates	(1.4)	(1.7)	(2.1)	(3.0)
Adjustment for tax deductions for energy efficient government buildings, included in Technical Solutions	$ (0.1)	$ 0.0	$ (0.1)	$ 0.0

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