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Restructuring and Impairment Charges (Schedule Of Restructuring Reserve Activity) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Accrued	$ 163	$ 1,847
Cash Charges	0	6,437
Non-cash charges	0	93
Cash payments	(163)	(7,926)
Accrued		278
Impairment And Loss On Right Of Use Asset [Member]
Restructuring Cost and Reserve [Line Items]
Accrued	0	0
Non-cash charges		269
Accrued	0	0
Employee Severance And Retention [Member]
Restructuring Cost and Reserve [Line Items]
Accrued	163	1,596
Non-cash charges	0	(80)
Cash payments	(163)	(1,238)
Accrued		278
Other Charges Related To Facility Closure [Member]
Restructuring Cost and Reserve [Line Items]
Accrued	0	251
Cash Charges		6,437
Non-cash charges		(96)
Cash payments		(6,688)
Accrued	$ 0

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Restructuring Reserve, Non-Cash Charges

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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