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Divestiture Divestiture (Additional Information) (Details) - Payments and Ticketing business - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Oct. 21, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Divestiture, proceeds $ 82.5 $ 75.0
Divestiture, working capital adjustments, net 7.5  
Divestiture, working capital adjustments, due to buyer 1.1  
Divestiture, transaction costs $ 3.8