Business Segment Information - Summary of Net Margin, Defined as Gross Profit Less Sales and Marketing Expenses from Continuing Operations by SBU Reporting Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								6 Months Ended	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Sales Information [Line Items]
Total net margin										$ 121,653	$ 162,197	$ 152,933
General & administrative										65,147	53,391	64,481
Research and development										26,768	28,577	22,861
Amortization of intangible assets										2,687	2,298	2,550
Costs related to the accounting review and restatement										12,945
Impairment of goodwill									19,193	19,193
Charges related to U.S. Government resolutions											1,295	57,141
Operating (loss) income	6,378	(15,600)	8,804	8,087	25,613	18,805	14,298	17,920		(5,087)	76,636	5,900
BioStim [Member]
Sales Information [Line Items]
Total net margin										64,930	86,654	93,056
Impairment of goodwill
Biologics [Member]
Sales Information [Line Items]
Total net margin										24,532	23,559	18,979
Impairment of goodwill
Extremity Fixation [Member]
Sales Information [Line Items]
Total net margin										26,389	34,337	29,530
Impairment of goodwill									9,825
Spine Fixation [Member]
Sales Information [Line Items]
Total net margin										7,245	19,142	13,068
Impairment of goodwill									9,368
Corporate [Member]
Sales Information [Line Items]
Total net margin										$ (1,443)	$ (1,495)	$ (1,700)