Segment Information (Business Segments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net Sales	$ 63,258	$ 59,301
Segment profit (loss)	6,604	5,351
Total assets, net	255,751	249,822	261,842
Property, Plant and Equipment, Additions	3,652	5,463
Depreciation and Amortization	4,670	4,535
Knee
Segment Reporting Information [Line Items]
Net Sales	20,567	20,502
Segment profit (loss)	1,938	1,910
Total assets, net	65,804	69,604
Property, Plant and Equipment, Additions	986	3,199
Depreciation and Amortization	2,013	1,894
Hip
Segment Reporting Information [Line Items]
Net Sales	10,804	10,440
Segment profit (loss)	942	844
Total assets, net	31,427	34,679
Property, Plant and Equipment, Additions	708	552
Depreciation and Amortization	706	676
Biologics and Spine
Segment Reporting Information [Line Items]
Net Sales	5,822	6,057
Segment profit (loss)	34	194
Total assets, net	24,719	25,725
Property, Plant and Equipment, Additions	293	32
Depreciation and Amortization	303	337
Extremity
Segment Reporting Information [Line Items]
Net Sales	19,671	15,683
Segment profit (loss)	4,507	3,729
Total assets, net	25,488	22,681
Property, Plant and Equipment, Additions	919	434
Depreciation and Amortization	532	428
Other
Segment Reporting Information [Line Items]
Net Sales	6,394	6,619
Segment profit (loss)	(810)	(611)
Total assets, net	13,960	4,154
Property, Plant and Equipment, Additions	355	127
Depreciation and Amortization	151	116
Corporate
Segment Reporting Information [Line Items]
Net Sales	0	0
Segment profit (loss)	(7)	(715)
Total assets, net	94,353	92,979
Property, Plant and Equipment, Additions	391	1,119
Depreciation and Amortization	$ 965	$ 1,084