Stock-Based Compensation (Tables) |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2018 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stock-Based Compensation [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule Of Stock Option Activity | The activity related to the exercisable stock options for the nine months ended September 30, 2018, is as follows:
Represents in-the-money options
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Schedule of Non-Vest Stock Award and Deferred Stock Unit Activity | The non-vested stock award and deferred stock unit activity for the nine months ended September 30, 2018, is as follows:
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The Weighted Average Assumptions Used by the Company in Applying the Monte Carlo Valuation Model for Performance Share Grants | The weighted average assumptions used by the company in applying the Monte Carlo valuation model for performance share grants during the nine months ended September 30, 2018, are illustrated in the following table:
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Schedule of Non-vested Unit-based Awards Activity | The non-vested unit-based awards activity for the nine months ended September 30, 2018, is as follows:
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