FAIR VALUE MEASUREMENTS, Contingent Consideration (Details) $ in Millions	3 Months Ended
	Jan. 31, 2022 USD ($)
Resolution Bioscience, Inc.
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration maximum earn-out period	2 years 10 months 24 days
Contingent Consideration Arrangement - Maximum	$ 145
Measurement Input, Asset Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination Contingent Consideration Liability Measurement Input	54.90%
Measurement Input, Revenue Volatility | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination Contingent Consideration Liability Measurement Input	12.20%
Measurement Input, Revenue Volatility | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination Contingent Consideration Liability Measurement Input	13.90%