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Disaggregation of Revenue by Principal End Markets with the Reportable Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2020
Sep. 30, 2019
Sep. 28, 2020
Sep. 30, 2019
Disaggregation Of Revenue [Line Items]        
Total Revenue $ 513,576 $ 534,173 $ 1,581,520 $ 1,597,495
Aerospace and Defense        
Disaggregation Of Revenue [Line Items]        
Total Revenue 182,905 171,381 555,996 511,354
Automotive        
Disaggregation Of Revenue [Line Items]        
Total Revenue 73,266 112,156 211,712 310,556
Cellular Phone        
Disaggregation Of Revenue [Line Items]        
Total Revenue 39 3,512 1,203 5,416
Computing/Storage/Peripherals        
Disaggregation Of Revenue [Line Items]        
Total Revenue 62,822 58,031 193,108 172,548
Medical/Industrial/Instrumentation        
Disaggregation Of Revenue [Line Items]        
Total Revenue 95,570 90,658 304,844 273,101
Networking/Communications        
Disaggregation Of Revenue [Line Items]        
Total Revenue 90,293 89,499 280,030 297,272
Other        
Disaggregation Of Revenue [Line Items]        
Total Revenue 8,681 8,936 34,627 27,248
Printed Circuit Board        
Disaggregation Of Revenue [Line Items]        
Total Revenue 463,664 452,816 1,429,629 1,366,762
Printed Circuit Board | Aerospace and Defense        
Disaggregation Of Revenue [Line Items]        
Total Revenue 182,709 170,651 555,771 510,210
Printed Circuit Board | Automotive        
Disaggregation Of Revenue [Line Items]        
Total Revenue 64,375 72,597 183,896 227,239
Printed Circuit Board | Cellular Phone        
Disaggregation Of Revenue [Line Items]        
Total Revenue 39 3,512 1,203 5,416
Printed Circuit Board | Computing/Storage/Peripherals        
Disaggregation Of Revenue [Line Items]        
Total Revenue 62,606 57,367 192,275 170,914
Printed Circuit Board | Medical/Industrial/Instrumentation        
Disaggregation Of Revenue [Line Items]        
Total Revenue 92,059 84,178 292,794 246,889
Printed Circuit Board | Networking/Communications        
Disaggregation Of Revenue [Line Items]        
Total Revenue 55,905 58,782 178,428 188,069
Printed Circuit Board | Other        
Disaggregation Of Revenue [Line Items]        
Total Revenue 5,971 5,729 25,262 18,025
RF&S Components        
Disaggregation Of Revenue [Line Items]        
Total Revenue 11,742 13,644 33,274 51,725
RF&S Components | Aerospace and Defense        
Disaggregation Of Revenue [Line Items]        
Total Revenue 180 729 189 777
RF&S Components | Computing/Storage/Peripherals        
Disaggregation Of Revenue [Line Items]        
Total Revenue 186 592 663 1,373
RF&S Components | Medical/Industrial/Instrumentation        
Disaggregation Of Revenue [Line Items]        
Total Revenue 742 705 2,336 2,629
RF&S Components | Networking/Communications        
Disaggregation Of Revenue [Line Items]        
Total Revenue 7,203 7,971 19,173 37,192
RF&S Components | Other        
Disaggregation Of Revenue [Line Items]        
Total Revenue 3,431 3,647 10,913 9,754
E-M Solutions        
Disaggregation Of Revenue [Line Items]        
Total Revenue 38,170 67,713 118,617 179,008
E-M Solutions | Aerospace and Defense        
Disaggregation Of Revenue [Line Items]        
Total Revenue 16 1 36 367
E-M Solutions | Automotive        
Disaggregation Of Revenue [Line Items]        
Total Revenue 8,891 39,559 27,816 83,317
E-M Solutions | Computing/Storage/Peripherals        
Disaggregation Of Revenue [Line Items]        
Total Revenue 30 72 170 261
E-M Solutions | Medical/Industrial/Instrumentation        
Disaggregation Of Revenue [Line Items]        
Total Revenue 2,769 5,775 9,714 23,583
E-M Solutions | Networking/Communications        
Disaggregation Of Revenue [Line Items]        
Total Revenue 27,185 22,746 82,429 72,011
E-M Solutions | Other        
Disaggregation Of Revenue [Line Items]        
Total Revenue $ (721) $ (440) $ (1,548) $ (531)