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RESTRUCTURING AND RELATED COSTS - Schedule of Restructuring and Related Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026
Restructuring Reserve [Roll Forward]
Balance, beginning of year			$ 3.6
Costs recognized	$ 7.8	$ 0.0	14.6	$ 0.0	$ 28.0
Payments			(10.0)
Non-cash items			(1.9)
Balance, end of year	6.3		6.3		6.3
Employee Severance
Restructuring Reserve [Roll Forward]
Balance, beginning of year			3.4
Costs recognized			8.1
Payments			(7.7)
Non-cash items			0.0
Balance, end of year	3.8		3.8		3.8
Asset Impairment
Restructuring Reserve [Roll Forward]
Balance, beginning of year			0.0
Costs recognized			1.9
Payments			0.0
Non-cash items			(1.9)
Balance, end of year	0.0		0.0		0.0
Other
Restructuring Reserve [Roll Forward]
Balance, beginning of year			0.2
Costs recognized			4.5
Payments			(2.3)
Non-cash items			0.0
Balance, end of year	$ 2.4		$ 2.4		$ 2.4