Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
	Apr. 11, 2018	Apr. 07, 2017	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Loss Contingencies [Line Items]
Legal expense and settlement accrual			$ 2.4	$ 8.0	$ 5.8	$ 21.4
Class action, compensatory damages | Bahamas Surgery Center | Judicial ruling
Loss Contingencies [Line Items]
Compensatory damages awarded to plaintiff	$ 0.4	$ 0.3
Class action, compensatory damages | Kimberly-Clark Corporation | Bahamas Surgery Center | Judicial ruling
Loss Contingencies [Line Items]
Compensatory damages awarded to plaintiff		3.9
Class action, punitive damages | Bahamas Surgery Center | Judicial ruling
Loss Contingencies [Line Items]
Compensatory damages awarded to plaintiff	1.3	100.0
Class action, punitive damages | Kimberly-Clark Corporation | Bahamas Surgery Center | Judicial ruling
Loss Contingencies [Line Items]
Compensatory damages awarded to plaintiff		$ 350.0
Class action, compensatory damages, amended | Kimberly-Clark Corporation | Bahamas Surgery Center
Loss Contingencies [Line Items]
Compensatory damages awarded to plaintiff	3.9
Class action, punitive damages, amended | Kimberly-Clark Corporation | Bahamas Surgery Center | Judicial ruling
Loss Contingencies [Line Items]
Compensatory damages awarded to plaintiff	19.4
Pre-judgment interest	$ 2.7