Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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The amount of the deferred tax liability which was not recognized because of the exceptions to comprehensive recognition of deferred taxes.

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- Definition

The cumulative amount of the temporary difference for which a deferred tax liability has not been provided because of the exceptions to comprehensive recognition of deferred taxes.

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- Definition

This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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Income Taxes (Narrative) (Details) (USD $)						12 Months Ended
Income Taxes (Narrative) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2007	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2012 Minimum [Member]
Income Taxes [Line Items]
Deferred income tax assets included in other asset	$ 37,000	$ 150,000
Net operating loss carryforwards	28,400,000	31,000,000
Net operating losses expiration date						2032	2013
Unrecognized tax benefits	2,646,000	2,612,000	704,000	1,010,000	1,300,000
Accrued interest payable related to uncertain tax positions	306,000	252,000
Provision for taxes on undistributed earnings of domestic subsidiaries	35,100,000
Additional taxes if interest in all businesses is sold rather than to effect a tax-free liquidation	$ 12,900,000