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Merger and Acquisitions - Summary of Restructuring Costs (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2023
Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]    
Charges Incurred $ 18.3  
SeaSpine Holdings Corporation [Member] | Severance Costs [Member]    
Restructuring Cost and Reserve [Line Items]    
Charges Incurred   $ 12.2
Payments Made   (5.2)
Balance as of September 30, 2023   7.0
SeaSpine Holdings Corporation [Member] | Retention Costs [Member]    
Restructuring Cost and Reserve [Line Items]    
Charges Incurred   4.0
Payments Made   (0.4)
Balance as of September 30, 2023   3.6
SeaSpine Holdings Corporation [Member] | Payroll Taxes [Member]    
Restructuring Cost and Reserve [Line Items]    
Charges Incurred   0.5
Payments Made   (0.1)
Balance as of September 30, 2023   0.4
SeaSpine Holdings Corporation [Member] | Total [Member]    
Restructuring Cost and Reserve [Line Items]    
Charges Incurred   16.7
Payments Made   (5.7)
Balance as of September 30, 2023   $ 11.0