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Restructuring and Impairment Charges (Schedule Of Restructuring Reserve Activity) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Accrued as of December 31, 2019	$ 1,006
Cash Charges	563
Non-cash charges	318
Cash payments	(1,460)
Accrued as of March 31, 2020	109
Loss On Disposal Of Machinery And Equipment [Member]
Restructuring Cost and Reserve [Line Items]
Non-cash charges	438
Employee Severance And Retention [Member]
Restructuring Cost and Reserve [Line Items]
Accrued as of December 31, 2019	647
Cash Charges	(4)
Cash payments	(612)
Accrued as of March 31, 2020	31
Other Charges Related To Facility Closure [Member]
Restructuring Cost and Reserve [Line Items]
Accrued as of December 31, 2019	359
Cash Charges	567
Non-cash charges	(120)
Cash payments	(848)
Accrued as of March 31, 2020	$ 78

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Restructuring Reserve, Non-Cash Charges

+ References

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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

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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.

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