Business Segment Information - Schedule of Net Sales by Major Product Category by Reporting Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net Sales	$ 464,479	$ 406,562	$ 459,955
Percent of Total Net Sales	100.00%	100.00%	100.00%
Bone Growth Therapies [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 187,448	$ 171,396	$ 197,181
Percent of Total Net Sales	40.40%	42.20%	42.90%
Spinal Implants [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 115,094	$ 94,857	$ 94,544
Percent of Total Net Sales	24.80%	23.30%	20.60%
Biologics [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 56,421	$ 55,482	$ 65,496
Percent of Total Net Sales	12.10%	13.60%	14.20%
Global Spine [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 358,963	$ 321,735	$ 357,221
Percent of Total Net Sales	77.30%	79.10%	77.70%
Global Orthopedics [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 105,516	$ 84,827	$ 102,734
Percent of Total Net Sales	22.70%	20.90%	22.30%