Stock-Based Compensation Plans

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Stock-Based Compensation Plans

STOCK-BASED COMPENSATION PLANS

Stock-based compensation expense consists of the following:

(In millions)	For the Three Months Ended  September 30,				For the Nine Months Ended  September 30,
	2020		2019		2020		2019
Restricted stock	$	0.4	$	0.8	$	1.5	$	2.3
Restricted stock units	1.1		1.2		3.2		3.4
Total	$	1.5	$	2.0	$	4.7	$	5.7

A summary of the non-vested restricted stock activity is presented below:

Restricted Stock	Number of Shares	Weighted Average Grant-Date Fair Value Per Share
Non-vested as of December 31, 2019	137,503	$	125.04
Vested	(14,633)	182.61
Forfeited	(148)	360.67
Non-vested as of September 30, 2020	122,722	$	117.89

A summary of the restricted stock unit activity is presented below:

Restricted Stock Units	Number of Restricted Stock Units	Weighted Average Grant-Date Fair Value Per Share
Outstanding as of December 31, 2019	428,831	$	132.99
Granted	5,870	436.89
Converted	(21,971)	105.97
Forfeited	(112)	434.60
Outstanding as of September 30, 2020	412,618	$	138.67