Allowance for Credit Losses (Tables)

12 Months Ended

Dec. 31, 2020

Credit Loss [Abstract]

Accounts Receivable, Allowance for Credit Loss

The changes in the allowance for credit losses related to accounts receivable were as follows:

	Year Ended December 31, 2020
Balance as of December 31, 2019	$	7.9
Provision for credit losses	30.9
Write-offs charged against the allowance for credit losses	(10.8)
Other	1.6
Balance as of December 31, 2020	$	29.6