Business Acquisition Business Acquisition (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 04, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Business Acquisition [Line Items]
Weighted average amortization period (in years)				25 years
Net sales		$ 184,792	$ 169,184	$ 559,426	$ 528,151
Assets Acquired [Abstract]
Goodwill		398,376		$ 398,376		$ 260,651
Customer and Distributor Relationships [Member]
Business Acquisition [Line Items]
Weighted average amortization period (in years)				22 years
Technology-Based Intangible Assets [Member]
Business Acquisition [Line Items]
Weighted average amortization period (in years)				17 years
SurgiQuestInc [Member]
Business Acquisition [Line Items]
Business combination, consideration transferred	$ 257,700
Payments to acquire business	265,000
Tax deductible goodwill	$ 11,500
Weighted average amortization period (in years)	20 years
Net sales		17,300		$ 48,500
Assets Acquired [Abstract]
Cash	$ 1,305
Other current assets	16,681
Current assets	17,986
Property, plant & equipment	3,332
Goodwill	136,358
Other non-current assets	302
Total assets acquired	288,778
Liabilities Assumed [Abstract]
Current liabilities assumed	10,586
Deferred income taxes	20,009
Other long-term liabilities	454
Total liabilities assumed	31,049
Net assets acquired	$ 257,729
Pro Forma Information [Abstract]
Net sales		184,792	181,045	559,426	562,935
Net income		9,342	$ (274)	21,988	$ (7,939)
SurgiQuestInc [Member] | Customer and Distributor Relationships [Member]
Business Acquisition [Line Items]
Weighted average amortization period (in years)	22 years
Assets Acquired [Abstract]
Finite-lived intangible assets	$ 76,420
SurgiQuestInc [Member] | Technology-Based Intangible Assets [Member]
Business Acquisition [Line Items]
Weighted average amortization period (in years)	17 years
Assets Acquired [Abstract]
Finite-lived intangible assets	$ 49,600
SurgiQuestInc [Member] | Trademarks and Tradenames [Member]
Business Acquisition [Line Items]
Weighted average amortization period (in years)	23 years
Assets Acquired [Abstract]
Finite-lived intangible assets	$ 4,780
Pro Forma [Member] | SurgiQuestInc [Member]
Business Acquisition [Line Items]
Business acquisition costs		$ 3,300		$ 17,400