Commitments and Contingencies - Phoenix Navigation Components, LLC Legal Proceeding (Details) - Phoenix Navigation Components, LLC Legal Proceedings $ in Millions				1 Months Ended	12 Months Ended
	Oct. 10, 2019 USD ($)	Oct. 01, 2019 USD ($)	Jun. 21, 2019 USD ($) claim product	Dec. 31, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jul. 31, 2020 USD ($)	Apr. 30, 2020 USD ($)	Jan. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Total damages sought			$ 21.2
Number of deemed trade secrets used | claim			1
Number of products using deemed trade secrets | product			7
Royalties owed (as percentage of sale price)			7.50%
Amount awarded to other party				$ 0.4	$ 0.4	$ 3.8
Reduction of attorneys' fees owed (as a percent)			10.00%
Royalties owed after first $1 million of payments (as a percentage of sale price)			2.25%
Loss contingency accrual							$ 0.1	$ 0.1	$ 0.2
Payments for Legal Settlements	$ 4.5
Legal fees						$ 5.7
Trade Secrets
Loss Contingencies [Line Items]
Number of pending claims | claim			97
Number of claims settled | claim			5
Royalty
Loss Contingencies [Line Items]
Amount awarded to other party		$ 1.0
Loss contingency accrual		0.6
Legal Expense
Loss Contingencies [Line Items]
Amount awarded to other party		3.8	$ 3.7
Interest
Loss Contingencies [Line Items]
Amount awarded to other party		$ 0.1