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Stock-Based Compensation (Number Of Shares At Average Grant Date Fair Value Over Ten Day Period Table) (Details) (Performance Shares [Member], USD $) | Dec. 31, 2013
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Incentive Plan, 2011-2013 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average Grant Date Fair Value | $ 40.25
Incentive Plan, 2012-2014 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average Grant Date Fair Value | $ 31.80
Incentive Plan, 2013-2015 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Average Grant Date Fair Value | $ 43.57

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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration