STOCKHOLDERS' EQUITY (Tables)

3 Months Ended

Mar. 31, 2020

STOCKHOLDERS' EQUITY

Schedule of stock-based compensation expense

	Three Months Ended
	March 31,
	2020		2019
	(in millions)
Cost of operations	$	2.7	$	6.7
General and administrative		2.0		4.6
Total	$	4.7	$	11.3