SEGMENT INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
SEGMENT INFORMATION (Details) - USD ($) $ in Millions	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Revenues
Total Revenues	$ 2,224.0	$ 2,094.2	$ 6,450.5	$ 6,182.0
Operating profit
Total operating profit	83.4	37.4	243.3	192.8
Income from unconsolidated affiliates	1.3	1.8	3.4	4.7
Interest expense	(25.3)	(21.2)	(72.1)	(63.1)
Income before income taxes	59.4	18.0	174.6	134.4
Business & Industry
Revenues
Total Revenues	1,038.7	1,010.6	3,077.2	3,033.4
Manufacturing & Distribution
Revenues
Total Revenues	408.9	377.1	1,201.2	1,166.6
Aviation
Revenues
Total Revenues	291.8	268.4	822.0	756.1
Education
Revenues
Total Revenues	235.1	228.3	688.2	674.0
Technical Solutions
Revenues
Total Revenues	249.5	209.7	662.0	551.9
Operating Segments \| Business & Industry
Operating profit
Total operating profit	73.8	77.8	236.2	235.0
Operating Segments \| Manufacturing & Distribution
Operating profit
Total operating profit	36.4	40.9	115.6	125.9
Operating Segments \| Aviation
Operating profit
Total operating profit	19.7	17.8	48.4	40.6
Operating Segments \| Education
Operating profit
Total operating profit	21.1	18.0	48.9	42.3
Operating Segments \| Technical Solutions
Operating profit
Total operating profit	19.4	17.9	49.4	41.4
Corporate
Operating profit
Total operating profit	(85.7)	(130.6)	(251.8)	(285.0)
Segment Reconciling Items
Operating profit
Income from unconsolidated affiliates	(1.3)	(1.8)	(3.4)	(4.7)
Adjustment for tax deductions for energy efficient government buildings, included in Technical Solutions	$ 0.0	$ (2.6)	$ (0.1)	$ (2.6)