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Summary Of Significant Accounting Policies (Cash and Cash Equivalents) (Details) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Cash and Cash Equivalents [Line Items] | ||||
| Cash and cash equivalents | $ 40,406,000 | $ 40,315,000 | $ 46,168,000 | $ 45,732,000 |
| Foreign earnings expected to be repatriated in next fiscal year | 2,100,000 | |||
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Foreign Subsidiaries [Member]
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| Cash and Cash Equivalents [Line Items] | ||||
| Cash and cash equivalents | $ 3,600,000 |