XML 46 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock Compensation Plans (Tables)
 6 Months Ended
Jun. 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 six months ended June 30, 2018 and 2017:
 
($ in thousands)
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
2018
 
2017
 
2018
 
2017
Stock compensation costs
 
$
7,057

 
$
4,964

 
$
13,215

 
$
10,115

Related net tax benefits for stock compensation plans
 
$
97

 
$
49

 
$
4,875

 
$
4,463

 
Summary of activity for time-based and performance-based restricted stock units
The following table presents a summary of the activity for the Company’s time-based and performance-based RSUs for the six months ended June 30, 2018 based on the target amount of awards:
 
 
 
Six Months Ended June 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
 
401,830

 
67.30

 
120,286

 
70.13

Vested
 
(324,051
)
 
40.10

 
(133,295
)
 
41.15

Forfeited
 
(58,396
)
 
47.65

 
—

 
—

Outstanding, at end of period
 
1,185,963

 
$
50.81

 
411,290

 
$
49.93