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Nature of Operations and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 28, 2020
Accounting Policies [Abstract] |
Schedule of Estimated Useful Lives Property, Plant and Equipment | The Company uses the following estimated useful lives:
Land use rights |  | 50-99 years
Buildings and improvements |  | 7-50 years
Machinery and equipment |  | 3-10 years
Furniture and fixtures |  | 3-7 years
Summary of Revenue Recognition in Sales Returns and Allowances | The following summarizes the activity in the Company’s sales returns and allowances for the years ended December 28, 2020, December 30, 2019 and December 31, 2018:
|  | For the Year Ended |
|  | December 28, |  |  | December 30, |  |  | December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
|  | (In thousands) |
Balance at beginning of year |  | $ | 12,717 |  |  | $ | 15,296 |  |  | $ | 8,171 |
Addition charged as a reduction of sales |  |  | 7,658 |  |  |  | 15,632 |  |  |  | 22,750 |
Deductions |  |  | (7,389 | ) |  |  | (18,228 | ) |  |  | (15,602 | )
Effect of foreign currency exchange rates |  |  | 29 |  |  |  | 17 |  |  |  | (23 | )
Balance at end of year |  | $ | 13,015 |  |  | $ | 12,717 |  |  | $ | 15,296 |
Schedule of Disaggregation of Revenue by Principal End Markets with the Reportable Segment | The following tables represent a disaggregation of revenue by principal end markets with the reportable segments:
|  | For the Year Ended December 28, 2020 |  |
|  | PCB |  |  | RF&S Components |  |  | E-M Solutions |  |  | Total |  |
End Markets |  | (In thousands) |  |
Aerospace and Defense |  | $ | 745,041 |  |  | $ | 189 |  |  | $ | 655 |  |  | $ | 745,885 |  |
Automotive |  |  | 270,240 |  |  |  | — |  |  |  | 48,615 |  |  |  | 318,855 |  |
Cellular Phone |  |  | 1,341 |  |  |  | — |  |  |  | — |  |  |  | 1,341 |  |
Computing/Storage/Peripherals |  |  | 258,032 |  |  |  | 834 |  |  |  | 170 |  |  |  | 259,036 |  |
Medical/Industrial/Instrumentation |  |  | 374,237 |  |  |  | 2,967 |  |  |  | 10,491 |  |  |  | 387,695 |  |
Networking/Communications |  |  | 234,211 |  |  |  | 39,160 |  |  |  | 97,213 |  |  |  | 370,584 |  |
Other |  |  | 22,141 |  |  |  | 1,506 |  |  |  | (1,721 | ) |  |  | 21,926 |  |
Total |  | $ | 1,905,243 |  |  | $ | 44,656 |  |  | $ | 155,423 |  |  | $ | 2,105,322 |  |
|  | For the Year Ended December 30, 2019 |  |
|  | PCB |  |  | RF&S Components |  |  | E-M Solutions |  |  | Total |  |
End Markets |  | (In thousands) |  |
Aerospace and Defense |  | $ | 696,279 |  |  | $ | 777 |  |  | $ | 543 |  |  | $ | 697,599 |  |
Automotive |  |  | 302,101 |  |  |  | — |  |  |  | 102,004 |  |  |  | 404,105 |  |
Cellular Phone |  |  | 1,224 |  |  |  | — |  |  |  | — |  |  |  | 1,224 |  |
Computing/Storage/Peripherals |  |  | 235,615 |  |  |  | 1,588 |  |  |  | 288 |  |  |  | 237,491 |  |
Medical/Industrial/Instrumentation |  |  | 331,551 |  |  |  | 3,752 |  |  |  | 29,682 |  |  |  | 364,985 |  |
Networking/Communications |  |  | 253,306 |  |  |  | 43,333 |  |  |  | 94,435 |  |  |  | 391,074 |  |
Other |  |  | 24,486 |  |  |  | 12,865 |  |  |  | (619 | ) |  |  | 36,732 |  |
Total |  | $ | 1,844,562 |  |  | $ | 62,315 |  |  | $ | 226,333 |  |  | $ | 2,133,210 |  |
|  | For the Year Ended December 31, 2018 |  |
|  | PCB |  |  | RF&S Components |  |  | E-M Solutions |  |  | Total |  |
End Markets |  | (In thousands) |  |
Aerospace and Defense |  | $ | 606,573 |  |  | $ | 153 |  |  | $ | 858 |  |  | $ | 607,584 |  |
Automotive |  |  | 388,643 |  |  |  | — |  |  |  | 86,828 |  |  |  | 475,471 |  |
Computing/Storage/Peripherals |  |  | 280,497 |  |  |  | 939 |  |  |  | 1,694 |  |  |  | 283,130 |  |
Medical/Industrial/Instrumentation |  |  | 345,078 |  |  |  | 2,271 |  |  |  | 39,852 |  |  |  | 387,201 |  |
Networking/Communications |  |  | 322,128 |  |  |  | 40,982 |  |  |  | 96,894 |  |  |  | 460,004 |  |
Other |  |  | 16,171 |  |  |  | 8,360 |  |  |  | (179 | ) |  |  | 24,352 |  |
Total |  | $ | 1,959,090 |  |  | $ | 52,705 |  |  | $ | 225,947 |  |  | $ | 2,237,742 |  |

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