Supplemental Financial Information (Restructuring and Impairment Charges) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 622	$ 9,027	$ 2,875	$ 9,027
Impairment charges
Fixed asset impairment charges	385	334	385	334
Other impairment charges	0	52	0	52
Total impairment charges	385	386	385	386
Total restructuring and impairment charges	1,007	9,413	3,260	9,413
Manufacturing footprint optimization
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 622	$ 9,027	$ 2,875	$ 9,027

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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