XML 79 R39.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]  
Summary of Stock Based Compensation Activity Related to Nonvested RSUs
The following table summarizes activity related to nonvested RSUs:
 
 
Number
of RSUs
(In thousands)  
 
Weighted Average
Grant-Date Fair
Value Per Share
Nonvested at December 31, 2016
 
788

 
 
$
183.00

 
Granted
 
519

 
 
254.58

 
Vested
 
(624
)
 
 
201.65

 
Forfeited
 
(32
)
 
 
223.23

 
Nonvested at December 31, 2017
 
651

 
 
$
220.21

 
Granted
 
406

 
 
353.99

 
Vested
 
(470
)
 
 
271.50

 
Forfeited
 
(24
)
 
 
282.07

 
Nonvested at December 31, 2018
 
563

 
 
$
271.23

 
Granted
 
581

 
 
305.30

 
Vested
 
(523
)
 
 
269.00

 
Forfeited
 
(21
)
 
 
302.78

 
Nonvested at December 31, 2019
 
600

 
 
$
305.06