Merger and acquisitions - Summary of Fair Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	Jan. 05, 2023	Mar. 31, 2023	Dec. 31, 2022
Current liabilities
Residual goodwill		$ 202,711	$ 71,317
SeaSpine Holdings Corporation [Member]
Current assets
Cash and cash equivalents	$ 29,419
Accounts receivable, net	35,313
Inventories	129,610
Prepaid expenses and other current assets	4,600
Total current assets	198,942
Property, plant, and equipment, net	68,911
Other long-term assets	20,472
Total identifiable assets acquired	366,425
Current liabilities
Accounts payable	21,602
Other current liabilities	41,224
Total current liabilities	62,826
Long-term borrowings under credit facility	26,298
Other long-term liabilities	31,950
Total liabilities assumed	121,074
Net identifiable assets acquired	245,351
Total fair value of consideration transferred	376,745
Residual goodwill	131,394
SeaSpine Holdings Corporation [Member] | Customer Relationships [Member]
Current assets
Finite lived intangible assets, net acquired	$ 27,100
Current liabilities
Assigned Useful Life	13 years
SeaSpine Holdings Corporation [Member] | Developed Technology [Member]
Current assets
Finite lived intangible assets, net acquired	$ 45,400
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	$ 5,600
Current liabilities
Assigned Useful Life	Indefinite