Summary of Significant Accounting Policies - Additional Information - Level 4 Tag - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Allowance for Doubtful Accounts [Abstract]
Accounts Receivable, Allowance for Credit Loss	$ 26.0	$ 16.3	$ 19.0	$ 13.5
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	10.3	5.6
Accounts Receivable, Allowance for Credit Loss, Writeoff	(3.4)	$ (2.8)
Goodwill, Foreign Currency Translation Gain (Loss)	97.1
Finite Lived Intangible Assets, Foreign Currency Translation Gain (Loss)	$ 64.1