XML 20 R10.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stock-Based Compensation
 6 Months Ended
Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock-Based Compensation
Stock-Based Compensation
Total stock-based compensation expense by type of award was as follows:
 
Three months ended June 30,
 
Six months ended June 30,
 
2017
 
2016
 
2017
 
2016
 
(In millions)
Stock appreciation rights
$
—

 
$
1.5

 
$
2.4

 
$
1.9

Stock options
0.3

 
0.1

 
0.7

 
0.3

Restricted shares, service based
1.2

 
0.8

 
2.4

 
1.6

Restricted shares, performance based
1.8

 
0.6

 
4.4

 
1.4

Employee stock purchase plan
0.1

 
0.1

 
0.3

 
0.2

Total stock-based compensation expense
$
3.4

 
$
3.1

 
$
10.2

 
$
5.4



Stock-based compensation in the first half of fiscal 2017 includes expenses associated with the accelerated vesting of stock awards to a former executive officer and the August 2016 stock award granted to the Executive Chairman that vests according to the attainment of share prices ranging from $22 per share to $27 per share of the Company's common stock.