REVENUES (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Revenue from Contract with Customer [Abstract]
Deferred Revenue, Revenue Recognized	$ 68.9	$ 51.0
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Loss, Write Off	(7.0)
Allowance for Credit Loss, Receivable, Other, Current	(7.5)		$ (7.6)
Accounts receivable, net	2,123.2		1,944.1
Contract with Customer, Asset, after Allowance for Credit Loss, Current	151.3		152.9
Contract with Customer, Asset, before Allowance for Credit Loss	158.8		160.5
Accounts Receivable, Allowance for Credit Loss	38.6		44.7
Allowance for Credit Loss, Foreign Currency Translation Impact	0.8
Unbilled Services, Foreign Currency Translation Impact	0.1
Unbilled Services, Allowance for Credit Loss	7.5		7.6
Allowance for Credit Loss	46.1		52.3
Accounts Receivable, Credit Loss Expense (Reversal)	0.7
Diagnostics
Financing Receivable, Allowance for Credit Loss [Line Items]
Accounts Receivable, before Allowance for Credit Loss	1,403.2		1,259.3
Biopharma Laboratory Services
Financing Receivable, Allowance for Credit Loss [Line Items]
Accounts Receivable, before Allowance for Credit Loss	758.6		$ 729.5
Accounts Receivable [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Loss, Write Off	(6.8)
Unbilled Contracts Receivable [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Loss, Write Off	$ (0.2)

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