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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Goodwill [Line Items]              
Goodwill impairment charge $ 0 $ 511,400,000 $ 0   $ 511,365,000 $ 0 $ 0
Amortization 26,900,000   25,600,000   80,100,000 78,700,000  
Non-cash impairment charges         511,365,000 12,173,000  
Expected annual amortization expense, remainder of 2025 26,900,000       26,900,000    
Expected annual amortization expense, in 2026 107,600,000       107,600,000    
Expected annual amortization expense, in 2027 106,500,000       106,500,000    
Expected annual amortization expense, in 2028 103,000,000.0       103,000,000.0    
Expected annual amortization expense, in 2029 97,700,000       97,700,000    
Expected annual amortization expense, in 2030 91,600,000       91,600,000    
Expected annual amortization expense, thereafter 447,600,000       447,600,000    
Intangible assets, net 1,160,145,000       1,160,145,000   1,207,588,000
Completed technology              
Goodwill [Line Items]              
Cost, amortization 23,100,000   21,800,000   69,000,000.0 61,100,000  
Completed technology | Completed Technology, Surgimend              
Goodwill [Line Items]              
Intangible assets, net 27,400,000       27,400,000    
Completed technology | Completed Technology, PriMatrix              
Goodwill [Line Items]              
Intangible assets, net $ 21,100,000       $ 21,100,000    
Customer Relationships              
Goodwill [Line Items]              
Non-cash impairment charges     $ 7,100,000 $ 7,100,000   $ 7,100,000  
Codman tradename              
Goodwill [Line Items]              
Impairment of indefinite-lived intangible assets   0         $ 0
Tissue Technologies              
Goodwill [Line Items]              
Goodwill impairment charge   123,300,000          
Neurosurgery              
Goodwill [Line Items]              
Goodwill impairment charge   249,000,000.0          
Instruments              
Goodwill [Line Items]              
Goodwill impairment charge   $ 139,100,000          
Measurement Input, Long-Term Revenue Growth Rate | Tissue Technologies | Valuation Technique, Discounted Cash Flow              
Goodwill [Line Items]              
Reporting unit, measurement input   0.025          
Measurement Input, Long-Term Revenue Growth Rate | Neurosurgery | Valuation Technique, Discounted Cash Flow              
Goodwill [Line Items]              
Reporting unit, measurement input   0.025          
Measurement Input, Long-Term Revenue Growth Rate | Instruments | Valuation Technique, Discounted Cash Flow              
Goodwill [Line Items]              
Reporting unit, measurement input   0.025          
Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow | Codman tradename              
Goodwill [Line Items]              
Indefinite-lived intangible assets, measurement input   0.145          
Measurement Input, Discount Rate | Tissue Technologies | Valuation Technique, Discounted Cash Flow              
Goodwill [Line Items]              
Reporting unit, measurement input   0.135          
Measurement Input, Discount Rate | Neurosurgery | Valuation Technique, Discounted Cash Flow              
Goodwill [Line Items]              
Reporting unit, measurement input   0.135          
Measurement Input, Discount Rate | Instruments | Valuation Technique, Discounted Cash Flow              
Goodwill [Line Items]              
Reporting unit, measurement input   0.120