Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Components Of Income Tax Expense Benefit [Line Items]
Tax paid (received or refunded) cash	$ (0.9)	$ 4.8	$ 0.5
Net increase in valuation allowance	7.1
Unremitted foreign earnings	$ 27.0
Minimum percentage of income tax benefit	50.00%
Gross unrecognized tax benefit	$ 0.7	0.5
Net interest and penalties on unrecognized tax benefits	(0.1)	(0.4)	$ (0.4)
Accrued interest and penalties related to unrecognized tax benefits	0.9	$ 0.8
State [Member]
Components Of Income Tax Expense Benefit [Line Items]
Operating loss carry forwards, net of tax	$ 31.1
Operating loss carryforwards, expiration year	2027
State [Member] | Spinal Kinetics [Member]
Components Of Income Tax Expense Benefit [Line Items]
Operating loss carry forwards, net of tax	$ 20.6
Federal [Member]
Components Of Income Tax Expense Benefit [Line Items]
Operating loss carry forwards, net of tax	$ 13.3
Operating loss carryforwards, expiration year	2026
Research and development credits	$ 1.7
Foreign Tax Authority
Components Of Income Tax Expense Benefit [Line Items]
Operating loss carry forwards, net of tax	$ 120.4