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Basis of Presentation, Organization and Summary of Significant Accounting Policies (Goodwill and Intangible Assets) (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) reporting_unit | Dec. 31, 2019 USD ($)
Indefinite-lived Intangible Assets [Line Items] |  |
Number of reporting units | reporting_unit | 4 |
Goodwill | $ 270,172,000 | $ 262,930,000
Indefinite-lived other intangible asset impairment charges | 0 |
Indefinite-lived other intangible asset | 4,845,000 | 4,432,000
Definite-lived other intangible assets | $ 113,181,000 | $ 154,515,000
EMS |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Sensitivity analysis, Discount rate used | 10.50% |
Goodwill | $ 143,000,000.0 |
Definite-lived other intangible assets | $ 101,200,000 |
ECD |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Sensitivity analysis, Discount rate used | 13.10% |
Goodwill | $ 2,200,000 |
Curamik |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Goodwill | 73,200,000 |
Indefinite-lived other intangible asset | 4,800,000 |
Definite-lived other intangible assets | $ 8,200,000 |
Curamik | Terminal Growth Rates |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Sensitivity analysis, Terminal year growth rate | 0.034 |
ACS |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Goodwill | $ 51,700,000 |
Definite-lived other intangible assets | $ 3,700,000 |
ACS | Terminal Growth Rates |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Sensitivity analysis, Terminal year growth rate | 0.042 |

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