Mergers and acquisitions - Summary of Fair Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jan. 05, 2023	Dec. 31, 2023	Dec. 31, 2022
Current liabilities
Residual goodwill		$ 194,934	$ 71,317
Assigned Useful Life		9 years 6 months
In-Process Research and Development ("IPR&D") [Member]
Current liabilities
Assigned Useful Life		Indefinite
Customer Relationships [Member]
Current liabilities
Assigned Useful Life		12 years 1 month 6 days
Developed Technology [Member]
Current liabilities
Assigned Useful Life		7 years 10 months 24 days
SeaSpine Holdings Corporation [Member]
Current assets
Cash and cash equivalents	$ 29,419
Accounts receivable, net	35,313
Inventories	132,636
Prepaid expenses and other current assets	4,590
Total current assets	201,958
Property, plant, and equipment, net	68,863
Other long-term assets	20,501
Total identifiable assets acquired	377,372
Current liabilities
Accounts payable	21,602
Other current liabilities	43,521
Total current liabilities	65,123
Long-term borrowings under SeaSpine credit facility	26,298
Other long-term liabilities	32,823
Total liabilities assumed	124,244
Net identifiable assets acquired	253,128
Total fair value of consideration transferred	376,745
Residual goodwill	123,617
SeaSpine Holdings Corporation [Member] | Customer Relationships [Member]
Current assets
Finite lived intangible assets, net acquired	$ 33,100
Current liabilities
Assigned Useful Life	13 years
SeaSpine Holdings Corporation [Member] | Developed Technology [Member]
Current assets
Finite lived intangible assets, net acquired	$ 47,200
SeaSpine Holdings Corporation [Member] | Developed Technology [Member] | Minimum [Member]
Current liabilities
Assigned Useful Life	6 years
SeaSpine Holdings Corporation [Member] | Developed Technology [Member] | Maximum [Member]
Current liabilities
Assigned Useful Life	8 years
SeaSpine Holdings Corporation [Member] | In Process Research and Development [Member]
Current assets
Finite lived intangible assets, net acquired	$ 5,750
Current liabilities
Assigned Useful Life	Indefinite
Previously Reported [Member] | SeaSpine Holdings Corporation [Member]
Current assets
Cash and cash equivalents	$ 29,419
Accounts receivable, net	35,313
Inventories	132,636
Prepaid expenses and other current assets	4,590
Total current assets	201,958
Property, plant, and equipment, net	68,863
Other long-term assets	20,501
Total identifiable assets acquired	377,372
Current liabilities
Accounts payable	21,602
Other current liabilities	43,344
Total current liabilities	64,946
Long-term borrowings under SeaSpine credit facility	26,298
Other long-term liabilities	32,833
Total liabilities assumed	124,077
Net identifiable assets acquired	253,295
Total fair value of consideration transferred	376,745
Residual goodwill	123,450
Previously Reported [Member] | SeaSpine Holdings Corporation [Member] | Customer Relationships [Member]
Current assets
Finite lived intangible assets, net acquired	33,100
Previously Reported [Member] | SeaSpine Holdings Corporation [Member] | Developed Technology [Member]
Current assets
Finite lived intangible assets, net acquired	47,200
Previously Reported [Member] | SeaSpine Holdings Corporation [Member] | In Process Research and Development [Member]
Current assets
Finite lived intangible assets, net acquired	5,750
Adjustments [Member] | SeaSpine Holdings Corporation [Member]
Current liabilities
Other current liabilities	177
Total current liabilities	177
Other long-term liabilities	(10)
Total liabilities assumed	167
Net identifiable assets acquired	(167)
Residual goodwill	$ 167