ACQUISITIONS (Total Consideration) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Business Acquisition [Line Items]
Cash paid, net	$ 347,308	$ 136,500	$ 163,939
FY2022 Acquisitions
Business Acquisition [Line Items]
Cash paid	348,606
Less: cash acquired	(1,852)
Cash paid, net	346,754
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	75,005
Contingent purchase consideration	29,732
Additional purchase consideration	4,000
Total purchase consideration	$ 455,491
FY2021 Acquisitions [Member]
Business Acquisition [Line Items]
Cash paid		136,995
Less: cash acquired		(616)
Cash paid, net		136,379
Contingent purchase consideration		18,334
Additional purchase consideration		292
Total purchase consideration		$ 155,005
FY2020 Acquisitions [Member]
Business Acquisition [Line Items]
Cash paid			165,290
Less: cash acquired			(1,323)
Cash paid, net			163,967
Contingent purchase consideration			23,719
Additional purchase consideration			144
Total purchase consideration			$ 187,830