Legal Proceedings (Details) - USD ($) $ in Millions		9 Months Ended
	Jan. 18, 2017	Sep. 30, 2017
Loss Contingencies [Line Items]
Product liability insurance, amount per incident		$ 25.0
Product liability insurance, aggregate annual amount		25.0
Lexion Alleged Lost Profits [Member]
Loss Contingencies [Line Items]
Damages sought		22.0
Lexion Costs Related to Alleged Corrective Advertising [Member]
Loss Contingencies [Line Items]
Damages sought		18.7
Pending Litigation [Member] | EndoDynamix, Inc. [Member]
Loss Contingencies [Line Items]
Damages sought	$ 12.7
SurgiQuestInc | Selling and Administrative Expenses [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value		12.2
Compensatory damages [Member] | SurgiQuestInc | Selling and Administrative Expenses [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value		2.2
Punitive damages [Member] | SurgiQuestInc | Selling and Administrative Expenses [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value		$ 10.0