Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule Of Compensation Cost By Expense Category

The following table summarizes the stock-based compensation expense included in each of our operating expense categories:

	Three months ended March 31,
(in millions)	2020		2019
Cost of revenue	$	2.4	$	3.1
Sales and marketing	1.0		1.4
General and administrative	3.9		5.5
Total stock-based compensation expense	$	7.3	$	10.0