STOCK COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Stock Based Compensation

Total stock based compensation expense for non-qualified stock options, restricted stock units ("RSU") and the tax related benefit for the three and six months ended June 30, 2020 and 2019 were as follows:

	Three Months Ended				Six Months Ended
(in millions)	2020		2019		2020		2019
Stock option expense	$	1.9	$	2.8	$	3.5	$	5.0
RSU expense	8.0		22.1		15.6		28.8
Total stock based compensation expense	$	9.9	$	24.9	$	19.1	$	33.8
Related deferred income tax benefit	$	1.1	$	3.6	$	2.1	$	5.0