XML 46 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock Compensation Plans (Tables)
 9 Months Ended
Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of stock compensation expense and related net tax benefit
The following table presents a summary of the total share-based compensation expense and the related net tax benefit associated with the Company’s various employee share-based compensation plans for the three and nine months ended September 30, 2018 and 2017:
 
($ in thousands)
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2018
 
2017
 
2018
 
2017
Stock compensation costs
 
$
10,986

 
$
5,665

 
$
24,201

 
$
15,780

Related net tax benefits for stock compensation plans
 
$
187

 
$
151

 
$
5,062

 
$
4,614

 
Summary of activity for time-based and performance-based restricted stock units
The following table presents a summary of the activities for the Company’s time-based and performance-based RSUs for the nine months ended September 30, 2018 based on the target amount of awards:
 
 
 
Nine Months Ended September 30, 2018
 
Time-Based RSUs
 
Performance-Based RSUs
 
Shares
 
Weighted-Average
Grant Date
Fair Value
 
Shares
 
Weighted-Average
Grant Date
Fair Value
Outstanding, at beginning of period
 
1,166,580

 
$
42.00

 
424,299

 
$
41.44

Granted
 
418,940

 
67.15

 
120,286

 
70.13

Vested
 
(343,506
)
 
39.81

 
(133,295
)
 
41.15

Forfeited
 
(105,174
)
 
50.17

 
—

 
—

Outstanding, at end of period
 
1,136,840

 
$
51.17

 
411,290

 
$
49.93