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Pension Plan (Schedule Of Plan Assets Category) (Details) | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010
Pension Plan [Abstract] |  |
Equity securities | 45.00% | 62.00%
Fixed income securities | 50.00% | 31.00%
Other | 5.00% | 7.00%
Total | 100.00% | 100.00%

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- Definition Defined benefit plan target allocation percentage of assets total. + References No definition available. + Details
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- Details
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- Definition Target allocation percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Definition Target allocation percentage in other than debt securities, equity securities, and real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. + References No definition available. + Details
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- Definition Target allocation percentage of investments in real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. + References No definition available. + Details
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