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Income Taxes (Summary Of Valuation Allowance) (Details) (Deferred Tax Valuation Allowance [Member], USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Deferred Tax Valuation Allowance [Member] |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balances as of January 1 | $ 2,574 | $ 2,613 | $ 2,829
Cost charged to the tax provision |  | 266 |
Reductions | (2,268) | (305) | (216)
Balances as of December 31 | $ 306 | $ 2,574 | $ 2,613

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