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Revenue and Contract Acquisition Costs - Summary of Contract Acquisition Costs (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]    
Prepaid expenses and other current assets $ 12.3 $ 11.0
Other assets 24.4 21.9
Total capitalized contract acquisition costs, net $ 36.7 $ 32.9