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