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BUSINESS COMBINATIONS AND ASSET ACQUISITIONS - Other Business Combination Information (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Oct. 11, 2024
Business Acquisition [Line Items]
Change in fair value, recorded in other expense (benefit), net	$ (7.7)	$ (0.4)
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, general and administrative	Selling, general and administrative
Contingent consideration obligations, fair value			$ 19.0
Payments of contingent consideration earned	$ 6.4	$ 3.3
Recurring
Business Acquisition [Line Items]
Contingent consideration obligations, fair value	8.2
Accrued Expenses And Other Current Liabilities \| Recurring
Business Acquisition [Line Items]
Contingent consideration obligations, fair value	5.6
Other Noncurrent Liabilities \| Recurring
Business Acquisition [Line Items]
Contingent consideration obligations, fair value	$ 2.6