Stock-Based Compensation (Stock Appreciation Rights Award Activity) (Details) (Stock Appreciation Rights (SARs) [Member], USD $)
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12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Stock Appreciation Rights (SARs) [Member]
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SARs Activity [Roll Forward] | |||
Outstanding, Beginning | 160,168 | 111,048 | 78,512 |
Granted | 72,509 | 63,024 | 36,255 |
Exercised | (37,834) | (7,685) | (3,719) |
Forfeited | 0 | (6,219) | 0 |
Outstanding, Ending | 194,843 | 160,168 | 111,048 |
SARs, Weighted Average Exercise Price [Roll Forward] | |||
Oustanding, Beginning (in usd per share) | $ 40.34 | $ 39.74 | $ 38.04 |
Granted (in usd per share) | $ 42.44 | $ 41.13 | $ 42.68 |
Exercised (in usd per share) | $ 37.81 | $ 39.15 | $ 32.50 |
Forfeited (in usd per share) | $ 0.00 | $ 39.18 | $ 0.00 |
Oustanding, Ending (in usd per share) | $ 41.61 | $ 40.34 | $ 39.74 |
SARs, Additional Disclosures | |||
Exercisable | 55,146 | 58,900 | 41,439 |
Exercisable (in usd per share) | $ 41.40 | $ 39.72 | $ 39.16 |
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- Definition
Number of non-option equity instruments exercised by participants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net number of non-option equity instruments granted to participants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Number of shares reserved for issuance under non-option equity instrument agreements awarded that validly exist and are outstanding, including vested instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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- Definition
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercisable, Number No definition available.
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- Definition
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures in Period, Weighted Average Exercise Price No definition available.
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- Definition
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Grants in Period, Weighted Average Exercise Price No definition available.
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- Definition
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Exercise Price No definition available.
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- Details
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- Definition
Share-based Compensation Arrangements by Share-based Payment Award, Non-Option Equity Instruments, Exercisable, Weighted Average Exercise Price No definition available.
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- Definition
Share-based Compensation Arrangements by Share-based Payment Award, Non-Option Equity Instruments, Exercises in Period, Weighted Average Exercise Price No definition available.
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