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Incentive Program (Summary Of Restricted Stock And Units Outstanding) (Details) (Restricted Stock [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified |
12 Months Ended |
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Dec. 31, 2011
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Restricted Stock [Member]
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| Issued and outstanding at January 1, Restricted stock, Shares | 47,306 |
| 2010 award issued in 2011, Shares | 10,639 |
| Vested, Shares | (10,628) |
| Forfeited, Shares | (536) |
| Issued and outstanding at December 31, Restricted stock, Shares | 46,781 |
| Issued and outstanding at January 1, Weighted Average Grant-Date Fair Value per Share | $ 69.74 |
| 2010 award issued in 2011, Weighted Average Grant-Date Fair Value per Share | $ 68.74 |
| Vested, Weighted Average Grant-Date Fair Value per Share | $ 64.37 |
| Forfeited, Weighted Average Grant-Date Fair Value per Share | $ 67.35 |
| Issued and outstanding at December 31, Weighted Average Grant-Date Fair Value per Share | $ 70.76 |
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Issued And Outstanding Restricted Stock. No definition available.
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Prior Year Awards Issued Granted In Current Year No definition available.
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- Definition
Weighted Average Fair Value Of Restricted Stock And Restricted Stock Units At Grant Date No definition available.
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