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v3.7.0.1

Segment Information (Details) $ in Thousands | 3 Months Ended
--- | ---
Apr. 01, 2017 USD ($) Segment | Apr. 02, 2016 USD ($)
Segment Reporting Information [Line Items] |  |
Number of reportable segments | Segment | 5 |
Product Sales | $ 606,252 | $ 570,528
Royalty Revenues | 6 | 78
Total Revenue | 606,258 | 570,606
Gross Margin | 160,875 | 137,309
Segment Operating Income | 129,484 | 101,101
Restructuring and severance Costs | (1,469) | (6,475)
Operating income | 64,688 | 40,548
Unallocated Other Income (Expense) | (14,246) | (2,076)
Income before taxes | 50,442 | 38,472
MOSFETS Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Product Sales | 105,529 | 100,933
Royalty Revenues | 0 | 0
Total Revenue | 105,529 | 100,933
Gross Margin | 20,676 | 12,587
Segment Operating Income | 11,761 | 2,618
Diodes Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Product Sales | 144,895 | 135,384
Royalty Revenues | 0 | 0
Total Revenue | 144,895 | 135,384
Gross Margin | 37,529 | 32,662
Segment Operating Income | 32,739 | 26,643
Optoelectronic Components Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Product Sales | 65,682 | 62,775
Royalty Revenues | 0 | 0
Total Revenue | 65,682 | 62,775
Gross Margin | 22,301 | 19,181
Segment Operating Income | 16,915 | 13,654
Resistors And Inductors Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Product Sales | 200,377 | 183,416
Royalty Revenues | 6 | 78
Total Revenue | 200,383 | 183,494
Gross Margin | 61,170 | 55,784
Segment Operating Income | 53,897 | 46,883
Capacitors Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Product Sales | 89,769 | 88,020
Royalty Revenues | 0 | 0
Total Revenue | 89,769 | 88,020
Gross Margin | 19,199 | 17,095
Segment Operating Income | 14,172 | 11,303
Unallocated Amount to Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment Operating Income | (63,327) | (54,078)
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment Operating Income | 129,484 | 101,101
Unallocated Amount to Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Restructuring and severance Costs | (1,469) | (6,475)
Unallocated Other Income (Expense) | $ (14,246) | $ (2,076)

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