Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Nov. 30, 2020	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Transaction Costs, Period		5 years
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Contingent Consideration, Data License	$ 1.9
Discontinued Operations, Disposed of by Sale | ALG Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest prior to disposal (as a percent)	100.00%
Consideration	$ 112.5			$ 7.5
Contingent consideration, asset			$ 15.0		$ 7.5
Consideration, net of working capital adjustments and transaction costs	$ 111.5
Disposal Group, Including Discontinued Operation, General and Administrative Expense			$ 0.2