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Consolidated Statements of Operations (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Equity-based compensation expense $ 191.5 $ 147.0 $ 125.5
Cost of revenue      
Equity-based compensation expense 0.7 0.4 0.0
Technology and development      
Equity-based compensation expense 90.2 70.3 57.8
Marketing and advertising      
Equity-based compensation expense 21.7 15.4 10.3
Customer care      
Equity-based compensation expense 12.0 9.3 6.2
General and administrative      
Equity-based compensation expense $ 66.9 $ 51.6 $ 51.2