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Note 12 - Segment Information - Revenues and Long-lived Assets by Geographical Area (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017 | Dec. 30, 2017
Net sales |  | $ 459,183 | $ 313,355 | $ 876,996 | $ 598,797 |
Long-lived assets |  | 338,755 |  | 338,755 |  | $ 250,577
Additions to long-lived assets |  |  |  | 40,315 | 28,878 |
UNITED STATES |  |  |  |  |  |
Net sales |  | 137,236 | 100,648 | 261,112 | 187,306 |
Long-lived assets |  | 59,097 |  | 59,097 |  | 23,490
Additions to long-lived assets |  |  |  | 4,234 | 1,149 |
CHINA |  |  |  |  |  |
Net sales | [1] | 127,776 | 86,891 | 234,284 | 165,111 |
Long-lived assets |  | 92,832 |  | 92,832 |  | 86,866
Additions to long-lived assets | [2] |  |  | 14,711 | 10,200 |
MEXICO |  |  |  |  |  |
Long-lived assets |  | 66,063 |  | 66,063 |  | 62,510
Additions to long-lived assets |  |  |  | 8,874 | 10,925 |
GERMANY |  |  |  |  |  |
Long-lived assets |  | 35,013 |  | 35,013 |  | 1,082
Additions to long-lived assets |  |  |  | 5,182 |  |
Other Countries [Member] |  |  |  |  |  |
Net sales | [3] | 194,171 | $ 125,816 | 381,600 | 246,380 |
Long-lived assets |  | 54,269 |  | 54,269 |  | 45,500
Additions to long-lived assets |  |  |  | 3,073 | 5,259 |
PHILIPPINES |  |  |  |  |  |
Long-lived assets |  | $ 31,481 |  | 31,481 |  | $ 31,129
Additions to long-lived assets |  |  |  | $ 4,241 | $ 1,345 |
[1] | Includes mainland China, Taiwan, and Hong Kong.
[2] | Includes mainland China, Taiwan, and Hong Kong.
[3] | Each country included in Other countries are less than 10% of net sales.

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- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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