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Supplemental Financial Information (Restructuring and Impairment Charges) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 747 | $ 0 | $ 2,253 | $ 0
Total restructuring and impairment charges | 747 | 0 | 2,253 | 0
Manufacturing footprint optimization |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 747 | $ 0 | $ 2,253 | $ 0

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