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Commitments And Contingencies (Narrative) (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Liability estimated after a reasonable margin for statistical fluctuations	$ 3,500,000
Additional payment if CEO remains employed on January 1, 2013	100,000
CEO Post Employment Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accrued expenses and other current liabilities	$ 2,100,000	$ 2,100,000

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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