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BUSINESS COMBINATIONS, ASSET ACQUISITIONS, AND DIVESTITURES - Other Business Combination Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Business Acquisition [Line Items]
Changes in fair values, recorded in operating expenses	$ (3.0)	$ 0.2	$ 0.9
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	Selling, general and administrative
Payments of contingent consideration earned	$ 4.9	$ 7.5	$ 9.6
Recurring
Business Acquisition [Line Items]
Contingent consideration obligations, fair value	7.3
Recurring | Accrued expenses and other current liabilities
Business Acquisition [Line Items]
Contingent consideration obligations, fair value	4.5
Recurring | Other Noncurrent Liabilities
Business Acquisition [Line Items]
Contingent consideration obligations, fair value	$ 2.8

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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