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INTANGIBLE ASSETS AND GOODWILL - Narrative (Details) - USD ($)	3 Months Ended											12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Aug. 02, 2022	Jan. 05, 2021
Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,051,646,000				$ 1,007,331,000							$ 1,051,646,000	$ 1,007,331,000
Finite-lived intangible assets, accumulated amortization	461,953,000				366,935,000							461,953,000	366,935,000
Finite-lived Intangible assets, net	589,693,000				640,396,000							589,693,000	640,396,000
Goodwill, impairment loss												0	0	$ 0
Impairment of long-lived and indefinite-lived assets												869,460,000	621,000	15,969,000
Impairment of long-lived and indefinite-lived assets	838,164,000	$ 18,698,000	$ 8,152,000	$ 4,446,000	0	$ 0	$ 552,000	$ 69,000				869,460,000	621,000	$ 15,969,000
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure	420,000,000.0											420,000,000.0
Impairment of long-lived and indefinite-lived assets	830,000,000.0
Thrive
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets																$ 1,250,000,000
Oncotype DX Genomic Prostate Score Test \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Finite-Lived Intangible Assets [Line Items]
Cost															$ 59,000,000
Finite-lived intangible assets, accumulated amortization															16,100,000
Finite-lived Intangible assets, net															$ 42,900,000
Service Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of long-lived and indefinite-lived assets									$ 2,000,000		$ 20,200,000
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	887,104,000				887,789,000							887,104,000	887,789,000
Finite-lived intangible assets, accumulated amortization	412,504,000				328,543,000							412,504,000	328,543,000
Finite-lived Intangible assets, net	$ 474,600,000				$ 559,246,000							$ 474,600,000	$ 559,246,000
Impairment of long-lived and indefinite-lived assets										$ 6,600,000