Stock-Based Compensation (Summary Of Option Activity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015
Stock Options [Roll Forward]
Outstanding, Shares, Beginning Balance	68,675
Granted, shares	0
Foreited, shares	0
Expired, Shares	0
Exercised, Shares	(67,056)
Outstanding, Shares, Ending Balance	1,619
Outstanding, Weighted Average Exercise Price, Beginning Balance	$ 29.27
Granted, Weighted Average Exercise Price	$ 0.00
Forfeited, Weighted Average Exercise Price	$ 0.00
Expired, Weighted Average Exercise Price	$ 0.00
Exercised, Weighted Average Exercise Price	$ 29.22
Outstanding, Weighted Average Exercise Price, Ending Balance	$ 31.27
Outstanding, Weighted Average Remaining Contractual Term (in years)	0 years 6 months
Outstanding, Aggregate Intrinsic Value, Ending Balance	$ 18

Share Based Compensation Arrangements By Share Based Payment Award Options Outstanding Aggregate Intrinsic Value

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(4)

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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