Income Taxes (Summary Of The Activity Related To Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2007	Jan. 01, 2007
Income Taxes [Abstract]
Unrecognized tax benefits - gross beginning balance	$ 1,974	$ 8,058	$ 11,412	$ 11,400	$ 10,800
Gross increases - prior period tax positions	197
Gross increases - current period tax positions		151	405
Settlements		(6,235)	(3,189)
Statute of limitations lapse			(570)
Unrecognized tax benefits - gross ending balance	$ 2,171	$ 1,974	$ 8,058	$ 11,400	$ 10,800

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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-Name Accounting Standards Codification

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The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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