Marketing Expenses - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		7 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2020	Dec. 31, 2019
Marketing And Advertising Expense [Abstract]
Media expense	$ 37.9	$ 40.1	$ 107.5	$ 160.3
Prepaid for future advertisements and promotions	$ 1.9			$ 1.9	$ 5.0