Share Based Award Stock Options Granted and Valuation (Details) - Time-based stock option [Member] - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Number of options granted | 7,190 | 6,265 | 5,815 |
Time based options grant date fair value | $ 425 | $ 424 | $ 425 |
Expected term (years) | 5 years 6 months | 5 years 6 months | 5 years 6 months |
Expected stock price volatility | 35.00% | 28.00% | 24.00% |
Risk-Free Interest Rate | 0.40% | 2.20% | 2.30% |
Expected Dividend Yield | 0.00% | 0.00% | 0.00% |
Weighted Average Exercise Price | $ 181.99 | $ 225.27 | $ 269.80 |
Weighted Average Grant Date Fair Value per option | $ 59.09 | $ 67.73 | $ 73.14 |
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- Definition Time based options grant date fair value No definition available.
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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