Supplemental Financial Information (Restructuring and Impairment Charges) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 12,348	$ 948	$ 2,532
Impairment charges
Fixed assets impairment charges	587		1,506
Other impairment charges	52	0	0
Impairment charges	639	1,537	1,506
Total restructuring and impairment charges	12,987	2,485	4,038
Advanced Connectivity Solutions
Impairment charges
Fixed assets impairment charges		1,537
Impairment charges	600	1,500	1,500
Manufacturing footprint optimization
Restructuring Cost and Reserve [Line Items]
Restructuring charges	12,348	0	0
Facility consolidation
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	948	1,982
Global headquarters relocation
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0	$ 0	$ 550

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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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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