Summary of Significant Accounting Policies and Other Information - Revenue Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Disaggregation of Revenue
Net sales	$ 523,488	$ 307,337	$ 987,282	$ 653,433
Electronics – Passive Products and Sensors
Disaggregation of Revenue
Net sales	155,276	92,846	287,713	177,444
Electronics – Semiconductor
Disaggregation of Revenue
Net sales	170,071	130,425	324,169	260,016
Passenger Car Products
Disaggregation of Revenue
Net sales	68,048	30,309	135,949	82,954
Automotive Sensors
Disaggregation of Revenue
Net sales	26,685	13,899	54,969	38,073
Commercial Vehicle Products
Disaggregation of Revenue
Net sales	38,585	17,791	70,929	45,742
Industrial Products
Disaggregation of Revenue
Net sales	64,823	22,067	113,553	49,204
Electronics Segment
Disaggregation of Revenue
Net sales	325,347	223,271	611,882	437,460
Electronics Segment | Electronics – Passive Products and Sensors
Disaggregation of Revenue
Net sales	155,276	92,846	287,713	177,444
Electronics Segment | Electronics – Semiconductor
Disaggregation of Revenue
Net sales	170,071	130,425	324,169	260,016
Electronics Segment | Passenger Car Products
Disaggregation of Revenue
Net sales	0	0	0	0
Electronics Segment | Automotive Sensors
Disaggregation of Revenue
Net sales	0	0	0	0
Electronics Segment | Commercial Vehicle Products
Disaggregation of Revenue
Net sales	0	0	0	0
Electronics Segment | Industrial Products
Disaggregation of Revenue
Net sales	0	0	0	0
Automotive Segment
Disaggregation of Revenue
Net sales	133,318	61,999	261,847	166,769
Automotive Segment | Electronics – Passive Products and Sensors
Disaggregation of Revenue
Net sales	0	0	0	0
Automotive Segment | Electronics – Semiconductor
Disaggregation of Revenue
Net sales	0	0	0	0
Automotive Segment | Passenger Car Products
Disaggregation of Revenue
Net sales	68,048	30,309	135,949	82,954
Automotive Segment | Automotive Sensors
Disaggregation of Revenue
Net sales	26,685	13,899	54,969	38,073
Automotive Segment | Commercial Vehicle Products
Disaggregation of Revenue
Net sales	38,585	17,791	70,929	45,742
Automotive Segment | Industrial Products
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment
Disaggregation of Revenue
Net sales	64,823	22,067	113,553	49,204
Industrial Segment | Electronics – Passive Products and Sensors
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Electronics – Semiconductor
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Passenger Car Products
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Automotive Sensors
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Commercial Vehicle Products
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Industrial Products
Disaggregation of Revenue
Net sales	$ 64,823	$ 22,067	$ 113,553	$ 49,204