Acquisition and Other Expense (Details) - USD ($) $ in Thousands	3 Months Ended						12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Acquisition and Other Expense [Line Items]
Manufacturing consolidation costs	$ 1,400	$ 1,400
Business Combination, Acquisition Related Costs	$ 1,900	$ 1,700	$ 3,000	$ 7,900	$ 1,300	$ 1,100		$ 1,100
Impairment charges						$ 4,200	$ 312	4,212	$ 0
Other expense				$ 3,900			5,188	0	0
Debt Instrument, Financing Costs Expensed							3,600
Loss on early extinguishment of debt							300	0	0
Cost of Sales [Member]
Acquisition and Other Expense [Line Items]
Manufacturing consolidation costs							2,858	0	2,903
Business Combination, Acquisition Related Costs							1,335	0	0
Acquisition and other expense							4,193	0	2,903
Selling and Administrative Expenses [Member]
Acquisition and Other Expense [Line Items]
Business Combination, Acquisition Related Costs							13,066	2,372	2,336
Legal Fees							0	0	17,480
Acquisition and other expense							13,066	2,372	21,163
Selling and Administrative Expenses [Member] | Administrative Restructuring [Member]
Acquisition and Other Expense [Line Items]
Acquisition and other expense							0	0	1,347
Research and Development Expense [Member]
Acquisition and Other Expense [Line Items]
Impairment charges							0	4,212	0
Other Expense [Member]
Acquisition and Other Expense [Line Items]
Other expense							3,904	0	0
Buffalo Filter LLC [Member] | Selling and Administrative Expenses [Member]
Acquisition and Other Expense [Line Items]
Business Combination, Acquisition Related Costs							$ 13,100	$ 1,300
SurgiQuestInc [Member]
Acquisition and Other Expense [Line Items]
Legal Fees									5,300
SurgiQuestInc [Member] | Selling and Administrative Expenses [Member]
Acquisition and Other Expense [Line Items]
Loss Contingency, Damages Awarded, Value									12,200
Compensatory damages [Member] | SurgiQuestInc [Member] | Selling and Administrative Expenses [Member]
Acquisition and Other Expense [Line Items]
Loss Contingency, Damages Awarded, Value									2,200
Punitive damages [Member] | SurgiQuestInc [Member] | Selling and Administrative Expenses [Member]
Acquisition and Other Expense [Line Items]
Loss Contingency, Damages Awarded, Value									$ 10,000