| Summary of Activity Under Share-Based Compensation Plans |
The following table summarizes the activity for stock appreciation rights, or SARs, under all share-based compensation plans for the three months ended March 31, 2019:
|
|
|
Number of Awards
|
|
|
Weighted-Average Exercise Price Per Award
|
|
|
Weighted-Average Remaining Contractual Term
|
|
Aggregate Intrinsic Value(1)
|
|
|
|
|
(in thousands)
|
|
|
|
|
|
|
|
|
(in millions)
|
|
|
Outstanding as of December 31, 2018(2)(3)
|
|
|
8,470
|
|
|
$
|
26.82
|
|
|
6.1 years
|
|
$
|
272.1
|
|
|
Granted
|
|
|
—
|
|
|
$
|
—
|
|
|
|
|
|
|
|
|
Exercised(4)
|
|
|
(360
|
)
|
|
$
|
23.93
|
|
|
|
|
|
|
|
|
Forfeited(5)
|
|
|
(203
|
)
|
|
$
|
29.77
|
|
|
|
|
|
|
|
|
Outstanding as of March 31, 2019(2)(3)
|
|
|
7,907
|
|
|
$
|
26.88
|
|
|
5.8 years
|
|
$
|
206.5
|
|
|
Exercisable as of March 31, 2019(6)
|
|
|
5,347
|
|
|
$
|
25.41
|
|
|
5.0 years
|
|
$
|
147.5
|
|
|
Vested and expected to vest as of March 31, 2019
|
|
|
7,894
|
|
|
$
|
26.87
|
|
|
5.8 years
|
|
$
|
206.2
|
|
|
(1)
|
The intrinsic value is the amount by which the current market value of the underlying stock exceeds the exercise price of the stock awards.
|
|
(2)
|
Includes less than 0.1 million market condition SARs as of both March 31, 2019 and December 31, 2018.
|
|
(3)
|
Includes 2.9 million and 3.1 million performance condition SARs as of March 31, 2019 and December 31, 2018, respectively, which represent the maximum amount that can vest.
|
|
(4)
|
Includes less than 0.1 million performance condition SARs.
|
|
(5)
|
Includes 0.2 million performance condition SARs.
|
|
(6)
|
Includes less than 0.1 million market condition and 1.9 million performance condition SARs.
|
The following table summarizes the activities for stock units under all share-based compensation plans for the three months ended March 31, 2019:
|
|
|
Number of Shares
|
|
|
Weighted-Average Grant Date Fair Value Per Share
|
|
|
|
|
(in thousands)
|
|
|
|
|
|
|
Outstanding and nonvested as of December 31, 2018(1)
|
|
|
1,611
|
|
|
$
|
42.09
|
|
|
Granted(2)
|
|
|
881
|
|
|
$
|
56.13
|
|
|
Vested
|
|
|
(159
|
)
|
|
$
|
43.15
|
|
|
Forfeited(3)
|
|
|
(403
|
)
|
|
$
|
39.50
|
|
|
Outstanding and nonvested as of March 31, 2019(1)
|
|
|
1,930
|
|
|
$
|
48.95
|
|
|
Expected to vest as of March 31, 2019(4)
|
|
|
1,662
|
|
|
$
|
48.98
|
|
|
(1)
|
Includes 556,504 and 708,836 performance-based stock unit awards as of March 31, 2019 and December 31, 2018, respectively, which represents the maximum amount that can vest.
|
|
(2)
|
Includes 204,700 performance-based stock unit awards, which represents the maximum amount that can vest.
|
|
(3)
|
Includes 357,032 performance-based stock unit awards.
|
|
(4)
|
Includes 355,437 performance-based stock unit awards.
|
|