Share-based Compensation - Schedule of Stock Option Plans (Detail)	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Outstanding at the beginning of the period (in shares)	1,299,000
Granted	1,837,000
Forfeited or expired	(1,803,000)
Outstanding at the end of the period (in shares)	3,223,000
Vested and expected to vest	3,223,000
Exercisable (in shares)	1,828,000
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 39.29
Granted | $ / shares	19.92
Forfeited or expired | $ / shares	31.62
Outstanding at the end of the period (in dollars per share) | $ / shares	30.64
Vested and expected to vest | $ / shares	30.64
Exercisable | $ / shares	$ 36.78
Options outstanding, weighted average remaining contractual term	4 years 11 months 19 days
Options vested and expected, weighted average remaining contractual term	4 years 11 months 19 days
Options exercisable, weighted average remaining contractual term	2 years 8 months 4 days
SeaSpine [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Assumed SeaSpine awards	1,890,000
Outstanding at the end of the period (in shares)	300,000
Exercisable (in shares)	0
Assumed SeaSpine awards | $ / shares	$ 36.05