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Stock Incentive Plans (Schedule Of Other Information Pertaining To Option Activity) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Stock Incentive Plans [Abstract] | |||
| Weighted-average fair value of options granted | $ 13.94 | $ 11.60 | $ 8.76 |
| Total intrinsic value of stock options exercised | $ 11,744 | $ 1,999 | $ 2,192 |
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- Details
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- Definition
The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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