Operations and Significant Accounting Policies (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 04, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill and Intangible Asset Impairment [Abstract]
Goodwill		$ 397,664	$ 260,651	$ 256,232
Other intangible assets, net		$ 419,549	308,171
Acquired Intangible Assets [Abstract]
Weighted average amortization period (in years)		25 years
Revenue Recognition [Abstract]
Net Commission Service Fee Revenue		50.00%
Shipping and handling costs		$ 13,400	12,600	$ 13,600
Allowance for doubtful accounts		2,031	1,336
Other Noncurrent Assets [Member]
Other Assets, Noncurrent [Abstract]
Field inventory		$ 44,800	$ 33,500
Linvatec Corporation [Member]
Acquired Intangible Assets [Abstract]
Annual attrition rate used to evaluate acquired finite-lived intangible assets useful life		2.60%
SurgiQuestInc [Member]
Goodwill and Intangible Asset Impairment [Abstract]
Goodwill	$ 136,687
Acquired Intangible Assets [Abstract]
Weighted average amortization period (in years)	20 years
Customer Relationships [Member]
Acquired Intangible Assets [Abstract]
Weighted average amortization period (in years)		29 years
Customer Relationships [Member] | Linvatec Corporation [Member]
Acquired Intangible Assets [Abstract]
Weighted average amortization period (in years)		38 years
Customer Relationships [Member] | Other Acquisitions Excluding Linvatec Corporation[Member]
Acquired Intangible Assets [Abstract]
Weighted average amortization period (in years)		21 years
Technology-Based Intangible Assets [Member]
Acquired Intangible Assets [Abstract]
Weighted average amortization period (in years)		17 years
Technology-Based Intangible Assets [Member] | SurgiQuestInc [Member]
Acquired Intangible Assets [Abstract]
Weighted average amortization period (in years)	17 years
Customer and Distributor Relationships [Member] | SurgiQuestInc [Member]
Acquired Intangible Assets [Abstract]
Weighted average amortization period (in years)	22 years
Promotional, Marketing and Distribution Rights [Member]
Acquired Intangible Assets [Abstract]
Weighted average amortization period (in years)		25 years