Share-Based Compensation (Tables) |
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Jun. 30, 2021 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Summary of Activity Under Share-Based Compensation Plans |
The following table summarizes the activity for all stock appreciation rights, or SARs, under the Company's share-based compensation plans for the six months ended June 30, 2021:
(1) The intrinsic value is the amount by which the current market value of the underlying stock exceeds the exercise price of the SARs. (2) Includes less than 0.1 million market condition SARs as of December 31, 2020. (3) Includes 0.8 million and 1.1 million performance condition SARs as of June 30, 2021 and December 31, 2020, respectively, which represents the maximum amount that can vest. (4) Includes less than 0.1 million market condition SARs and 0.3 million performance condition SARs. (5) Includes 0.8 million performance condition SARs. There were no SARs granted during the three and six months ended June 30, 2021 and 2020. The total intrinsic value of SARs exercised during the three months ended June 30, 2021 and 2020 was $10.3 million and $10.1 million, respectively. The total intrinsic value of SARs exercised during the six months ended June 30, 2021 and 2020 was $24.1 million and $11.7 million, respectively. The following table summarizes the activities for all stock units under the Company's share-based compensation plans for the six months ended June 30, 2021:
(1) Includes 1,141,028 and 712,596 performance-based stock unit awards as of June 30, 2021 and December 31, 2020, respectively, which represents the maximum amount that can vest. (2) Includes 428,432 performance-based stock unit awards. (3) Includes 753,826 performance-based stock unit awards. |