Stock-Based Compensation Plans (Schedule Of Restricted Stock Units Award Activity) (Details) - Restricted Stock Awards [Member] - $ / shares shares in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards granted	275	160	548	393
Restricted stock awards granted, weighted average exercise price	$ 22.67	$ 50.20	$ 26.00	$ 68.15
Incentive Plans [Member] \| Non-Executive Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards granted	226	143	439	346
Restricted stock awards granted, weighted average exercise price	$ 22.68	$ 50.31	$ 25.86	$ 68.42
Incentive Plans [Member] \| Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards granted	25		85	30
Restricted stock awards granted, weighted average exercise price	$ 22.61		$ 27.50	$ 75.76
2004 Director Plan [Member] \| Non-Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards granted	24	17	24	17
Restricted stock awards granted, weighted average exercise price	$ 22.61	$ 49.26	$ 22.61	$ 49.26

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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)(2)(iii)(1)

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

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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