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Accrued Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Jan. 02, 2016
--- | --- | ---
Other Liabilities Disclosure [Abstract] |  |
Accrued customer rebates, fees and reimbursements | $ 21,103 | $ 11,857
Accrued legal fees | 1,362 | 5,785
Accrued donations | 503 | 5,612
Accrued arbitration award | 0 | 5,391
Accrued taxes | 5,135 | 5,263
Accrued stock repurchases | 0 | 4,815
Accrued warranty | 910 | 1,222
Accrued other | 2,463 | 4,277
Total accrued liabilities | $ 31,476 | $ 44,222

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