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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 30, 2018 | Dec. 30, 2018 | Dec. 31, 2017 | Jun. 24, 2018
Income Tax Disclosure [Abstract] |  |  |  |
U.S. Federal corporate income tax rate |  | 21.00% | 35.00% |
Tax benefit resulting from re-measurement of deferred tax assets and liabilities |  |  |  | $ 4,297
Tax expense, net of foreign tax credits |  |  |  | $ 3,901
Decrease in toll charge net of foreign tax credits | $ (1,734) |  |  |
Tax expense, net of foreign tax credits |  | $ 2,167 |  |
Deferred tax assets, effective tax rate |  | 155.20% |  |

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