Equity-Based Compensation Plans And Employee Benefit Plans (Reconciliation Of Rights Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]
Outstanding at December 31, 2011, Rights	384,806
Exercised during 2012, Rights	(174,034)
Forfeited or expired during 2012, Rights	(3,274)
Outstanding at December 31, 2012, Rights	207,498
Exercisable at December 31, 2012, Rights	207,498
Outstanding at December 31, 2011, Weighted Average Strike Price	$ 17.25
Exercised during 2012, Weighted Average Strike Price	$ 48.66
Forfeited or expired during 2012, Weighted Average Strike Price	$ 15.76
Outstanding at December 31, 2012, Weighted Average Strike Price	$ 17.43
Exercisable at December 31, 2012, Weighted Average Strike Price	$ 17.43
Outstanding at December 31, 2012, Weighted Average Contractual Remaining Term (Yrs)	4 years 2 months 9 days
Exercisable at December 31, 2012, Weighted Average Contractual Remaining Term (Yrs)	4 years 2 months 9 days
Outstanding at December 31, 2012, Aggregate Intrinsic Value	$ 7,284
Exercisable at December 31, 2012, Aggregate Intrinsic Value	$ 7,284

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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

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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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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 that were terminated.

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

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