Business Segments and Geographic Areas (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) Customers	Dec. 31, 2018 USD ($) Customers	Dec. 31, 2017 USD ($) Customers
Segment Reporting Information [Line Items]
Net Sales	$ 955,097	$ 859,634	$ 796,392
Number of customer representing over 10% of consolidated net sales | Customers	0	0	0
United States [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 516,665	$ 448,648	$ 411,041
Americas (excluding the United States) [Member]
Segment Reporting Information [Line Items]
Net Sales	95,273	97,528	91,169
EMEA [Member]
Segment Reporting Information [Line Items]
Net Sales	182,549	166,563	155,849
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net Sales	160,610	146,895	138,333
Orthopedic Surgery [Member]
Segment Reporting Information [Line Items]
Net Sales	463,322	446,728	428,944
Orthopedic Surgery [Member] | United States [Member]
Segment Reporting Information [Line Items]
Net Sales	179,419	172,462	167,602
Orthopedic Surgery [Member] | Americas (excluding the United States) [Member]
Segment Reporting Information [Line Items]
Net Sales	64,269	66,519	60,439
Orthopedic Surgery [Member] | EMEA [Member]
Segment Reporting Information [Line Items]
Net Sales	118,301	112,998	106,921
Orthopedic Surgery [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net Sales	101,333	94,749	93,982
General Surgery [Member]
Segment Reporting Information [Line Items]
Net Sales	491,775	412,906	367,448
General Surgery [Member] | United States [Member]
Segment Reporting Information [Line Items]
Net Sales	337,246	276,186	243,439
General Surgery [Member] | Americas (excluding the United States) [Member]
Segment Reporting Information [Line Items]
Net Sales	31,004	31,009	30,730
General Surgery [Member] | EMEA [Member]
Segment Reporting Information [Line Items]
Net Sales	64,248	53,565	48,928
General Surgery [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 59,277	$ 52,146	$ 44,351