Summary of Significant Accounting Policies and Other Information - Revenue Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 397,879	$ 459,183	$ 803,379	$ 876,996
Electronics – Passive Products and Sensors
Disaggregation of Revenue [Line Items]
Net sales	108,481	128,321	216,858	242,816
Electronics – Semiconductor
Disaggregation of Revenue [Line Items]
Net sales	151,072	171,036	308,089	320,952
Passenger Car Products
Disaggregation of Revenue [Line Items]
Net sales	53,916	63,581	110,459	127,160
Automotive Sensors
Disaggregation of Revenue [Line Items]
Net sales	24,682	30,729	50,739	62,052
Commercial Vehicle Products
Disaggregation of Revenue [Line Items]
Net sales	30,052	32,862	60,935	64,090
Industrial Products
Disaggregation of Revenue [Line Items]
Net sales	29,676	32,654	56,299	59,926
Electronics Segment
Disaggregation of Revenue [Line Items]
Net sales	259,553	299,357	524,947	563,768
Electronics Segment | Electronics – Passive Products and Sensors
Disaggregation of Revenue [Line Items]
Net sales	108,481	128,321	216,858	242,816
Electronics Segment | Electronics – Semiconductor
Disaggregation of Revenue [Line Items]
Net sales	151,072	171,036	308,089	320,952
Electronics Segment | Passenger Car Products
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Electronics Segment | Automotive Sensors
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Electronics Segment | Commercial Vehicle Products
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Electronics Segment | Industrial Products
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Automotive Segment
Disaggregation of Revenue [Line Items]
Net sales	108,650	127,172	222,133	253,302
Automotive Segment | Electronics – Passive Products and Sensors
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Automotive Segment | Electronics – Semiconductor
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Automotive Segment | Passenger Car Products
Disaggregation of Revenue [Line Items]
Net sales	53,916	63,581	110,459	127,160
Automotive Segment | Automotive Sensors
Disaggregation of Revenue [Line Items]
Net sales	24,682	30,729	50,739	62,052
Automotive Segment | Commercial Vehicle Products
Disaggregation of Revenue [Line Items]
Net sales	30,052	32,862	60,935	64,090
Automotive Segment | Industrial Products
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Industrial Segment
Disaggregation of Revenue [Line Items]
Net sales	29,676	32,654	56,299	59,926
Industrial Segment | Electronics – Passive Products and Sensors
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Industrial Segment | Electronics – Semiconductor
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Industrial Segment | Passenger Car Products
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Industrial Segment | Automotive Sensors
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Industrial Segment | Commercial Vehicle Products
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Industrial Segment | Industrial Products
Disaggregation of Revenue [Line Items]
Net sales	$ 29,676	$ 32,654	$ 56,299	$ 59,926