Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill - Schedule of Changes in Net Carrying Amount of Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Line Items]
Beginning balance	$ 72,758us-gaap_Goodwill	$ 74,388us-gaap_Goodwill	$ 74,388us-gaap_Goodwill	$ 73,094us-gaap_Goodwill
Reallocation
Foreign currency		(1,630)us-gaap_GoodwillTranslationAdjustments		1,294us-gaap_GoodwillTranslationAdjustments
Impairment	(19,193)us-gaap_GoodwillImpairmentLoss		(19,193)us-gaap_GoodwillImpairmentLoss
Ending balance	53,565us-gaap_Goodwill	72,758us-gaap_Goodwill	53,565us-gaap_Goodwill	74,388us-gaap_Goodwill
Spine [Member]
Goodwill [Line Items]
Beginning balance	41,401	41,564	41,564	41,419
Reallocation	(41,401)
Foreign currency		(163)		145
Impairment
Ending balance		41,401		41,564
Orthopedics [Member]
Goodwill [Line Items]
Beginning balance	31,357	32,824	32,824	31,675
Reallocation	(31,357)
Foreign currency		(1,467)		1,149
Impairment
Ending balance		31,357		32,824
BioStim [Member]
Goodwill [Line Items]
Beginning balance
Reallocation	42,678
Foreign currency
Impairment
Ending balance	42,678		42,678
Biologics [Member]
Goodwill [Line Items]
Beginning balance
Reallocation	10,887
Foreign currency
Impairment
Ending balance	10,887		10,887
Extremity Fixation [Member]
Goodwill [Line Items]
Beginning balance
Reallocation	9,825
Foreign currency
Impairment	(9,825)
Ending balance
Spine Fixation [Member]
Goodwill [Line Items]
Beginning balance
Reallocation	9,368
Foreign currency
Impairment	(9,368)
Ending balance