| 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 six months ended June 30, 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)
|
|
|
(594
|
)
|
|
$
|
24.21
|
|
|
|
|
|
|
|
|
Forfeited(5)
|
|
|
(238
|
)
|
|
$
|
29.67
|
|
|
|
|
|
|
|
|
Outstanding as of June 30, 2019(2)(3)
|
|
|
7,638
|
|
|
$
|
26.94
|
|
|
5.6 years
|
|
$
|
120.9
|
|
|
Exercisable as of June 30, 2019(6)
|
|
|
6,338
|
|
|
$
|
26.57
|
|
|
5.2 years
|
|
$
|
102.6
|
|
|
Vested and expected to vest as of June 30, 2019
|
|
|
7,633
|
|
|
$
|
26.94
|
|
|
5.6 years
|
|
$
|
120.8
|
|
|
(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.
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|
(2)
|
Includes less than 0.1 million market condition SARs as of both June 30, 2019 and December 31, 2018.
|
|
(3)
|
Includes 2.9 million and 3.1 million performance condition SARs as of June 30, 2019 and December 31, 2018, respectively, which represent the maximum amount that can vest.
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|
(4)
|
Includes less than 0.1 million performance condition SARs.
|
|
(5)
|
Includes 0.2 million performance condition SARs.
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|
(6)
|
Includes less than 0.1 million market condition and 2.4 million performance condition SARs.
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The following table summarizes the activities for stock units under all share-based compensation plans for the six months ended June 30, 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)
|
|
|
947
|
|
|
$
|
55.71
|
|
|
Vested
|
|
|
(195
|
)
|
|
$
|
45.60
|
|
|
Forfeited(3)
|
|
|
(442
|
)
|
|
$
|
40.28
|
|
|
Outstanding and nonvested as of June 30, 2019(1)
|
|
|
1,921
|
|
|
$
|
48.87
|
|
|
Expected to vest as of June 30, 2019(4)
|
|
|
1,668
|
|
|
$
|
48.98
|
|
|
(1)
|
Includes 560,986 and 708,836 performance-based stock unit awards as of June 30, 2019 and December 31, 2018, respectively, which represents the maximum amount that can vest.
|
|
(2)
|
Includes 209,182 performance-based stock unit awards, which represents the maximum amount that can vest.
|
|
(3)
|
Includes 357,032 performance-based stock unit awards.
|
|
(4)
|
Includes 353,562 performance-based stock unit awards.
|
|