Contingencies (Details) - USD ($)		1 Months Ended		3 Months Ended	9 Months Ended
	May 03, 2019	Apr. 30, 2020	Feb. 29, 2020	Jun. 30, 2019	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019
Loss Contingencies [Line Items]
Amount awarded to plaintiff	$ 3,200,000	$ 300,000		$ 3,200,000
Accrual for contingent product infringement litigation costs					$ 3,100,000
Amount of final judgment			$ 8,100,000
Accrual for environmental investigation and remediation activities					3,600,000	$ 4,400,000	$ 4,500,000
Loss contingency receivable						$ 1,500,000
Portion of loss contingency proceeds representing restricted cash					1,000,000.0
Minimum
Loss Contingencies [Line Items]
Estimate of additional expenses					0
Maximum
Loss Contingencies [Line Items]
Estimate of additional expenses					$ 1,100,000