Equity-Based Compensation Plans And Employee Benefit Plans (Reconciliation Of Rights Activity) (Details) - Stock Appreciation Rights (SARs) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2015 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Outstanding at December 31, 2014 \| shares	160,855
Outstanding at December 31, 2013, Weighted Average Strike Price \| $ / shares	$ 18.08
Outstanding at December 31, 2014 \| shares	(30,607)
Exercised during 2014, Weighted Average Strike Price \| $ / shares	$ 41.69
Forfeited or expired during 2015 \| shares	(571)
Forfeited or expired during 2014, Weighted Average Strike Price \| $ / shares	$ 20.92
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number \| shares	129,677
Outstanding at December 31, 2014, Weighted Average Strike Price \| $ / shares	$ 18.55
Outstanding at December 31, 2015 \| shares	129,677
Outstanding at December 31, 2014, Weighted Average Contractual Remaining Term (Yrs)	2 years 1 month 20 days
Outstanding at December 31, 2014, Average Intrinsic Value \| $	$ 2,350
Exercisable at December 31, 2014, Weighted Average Strike Price \| $ / shares	$ 18.55
Exercisable at December 31, 2014, Weighted Average Contractual Remaining Term (Yrs)	2 years 1 month 20 days
Exercisable at December 31, 2014, Average Intrinsic Value \| $	$ 2,350

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

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.

+ References

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)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

+ References

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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.

+ References

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)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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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- Definition

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

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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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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- Definition

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

+ References

No definition available.

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- Definition

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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- Definition

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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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.

+ References

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

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

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