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Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Abstract]
Beginning of year	$ 10,859	$ 15,028	$ 9,360
(Decrease) resulting from prior year tax position	(151)	(2,853)
Increase resulting from prior year tax position			5,855
Increase resulting from current year tax position	1,387	1,870	758
Settlements with taxing authorities	0	0	(736)
Lapsing of statutes of limitations	(6,833)	(3,186)	(209)
End of year	$ 5,262	$ 10,859	$ 15,028

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Amount of unrecognized tax benefits.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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