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Employee Retirement Plans (Schedule Of Total Expense For All Retirement Plans) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Employee Retirement Plans [Abstract] |  |  |
Total retirement plan expense | $ 2,838 | $ 2,884 | $ 2,610

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- Details
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- Definition Period expense related to postemployment benefits. + References No definition available. + Details
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Balance Type: | debit
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