Other Current Liabilities - Additional Information (Detail) - USD ($)		3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2017	Dec. 31, 2016
Extremity Fixation Restructuring Plan [Member]
Other Current Liabilities [Line Items]
Pre-tax restructuring expense			$ 3,100,000
Cumulative costs incurred to date on restructuring	$ 2,400,000	$ 2,400,000	2,400,000
Accrued in other current liabilities related to restructuring	400,000	400,000	400,000	$ 1,500,000
Restructuring costs incurred			500,000
Additional payments for restructuring			1,600,000
U.S. Restructuring Plan [Member]
Other Current Liabilities [Line Items]
Accrued in other current liabilities related to restructuring	1,800,000	1,800,000	$ 1,800,000
Additional payments for restructuring	$ 0
U.S. Restructuring Plan [Member] | Operating Expense [Member]
Other Current Liabilities [Line Items]
Pre-tax restructuring expense		$ 1,800,000