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Other Current Assets (Details) - USD ($) $ in Thousands | Jul. 01, 2017 | Dec. 31, 2016
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Prepaid Expense, Current | $ 12,941 | $ 13,051
Royalty Receivable | 8,000 | 7,500
Prepaid income taxes | 16,493 | 981
Due from Employees, Current | 325 | 305
Accounts Receivable, Related Parties, Current | 21 | 77
Other Assets, Miscellaneous, Current | 4,149 | 5,134
Other current assets | $ 41,929 | $ 27,048

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