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Note 1 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 30, 2018
Notes Tables |
Schedule of Goodwill [Table Text Block] |
BALANCE JANUARY 1, 2018 |  |  | ACQUISITIONS |  |  | PURCHASE PRICE ACCOUNTING ADJUSTMENTS |  |  | IMPAIRMENT |  |  | FOREIGN CURRENCY TRANSLATION |  |  | BALANCE DECEMBER 30, 2018 |
|  |  |  | (in thousands) |
$ | 68,754 |  |  | $ | 183,348 |  |  | $ | 1,377 |  |  | $ | 0 |  |  | $ | (7,664 | ) |  | $ | 245,815 |

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