Business Acqusition Business Acquisition (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
	Jan. 04, 2016	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Payments to acquire business											$ 6,100
Weighted average amortization period (in years)										25 years
Net sales		$ 204,094	$ 184,792	$ 193,433	$ 181,201	$ 191,017	$ 169,184	$ 181,027	$ 177,940	$ 763,520	719,168	$ 740,055
Assets Acquired [Abstract]
Goodwill		$ 397,664				$ 260,651				$ 397,664	260,651	$ 256,232
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										$ 68,400
Assets Acquired [Abstract]
Cash	$ 1,305
Account receivable	10,032
Inventory	4,267
Other current assets	728
Current assets	16,332
Property, plant & equipment	3,332
Goodwill	136,687
Other non-current assets	1,553
Total assets acquired	288,704
Liabilities Assumed [Abstract]
Accounts Payable	5,012
Other current liabilities	6,004
Current liabilities assumed	11,016
Deferred income taxes	19,505
Other long-term liabilities	454
Total liabilities assumed	30,975
Net assets acquired	$ 257,729
Pro Forma Information [Abstract]
Business Acquisition, Pro Forma Revenue										763,520	768,726
Business Acquisition, Pro Forma Net Income (Loss)										29,153	$ (9,673)
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 and asset acquisition costs										$ 20,600