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Deferred Taxes (Details) - USD ($) $ in Thousands | Dec. 27, 2020 | Dec. 29, 2019
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Deferred tax assets and (liabilities), net: |  |
Deferred Tax Assets, Leasing Transactions | $ 134,471 | $ 131,679
Deferred Tax Assets Tax Credit Carryforwards General Business and Other | 40,366 | 40,409
Deferred Tax Assets, Operating Loss Carryforwards | 23,567 | 5,346
Deferred Tax Assets, Tax Deferred Expense, Accrued Compensation And Related Costs | 11,893 | 5,970
Deferred Tax Assets, Goodwill and Intangible Assets | 9,536 | 0
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost | 5,561 | 4,920
Deferred Tax Assets, Advance Payments | 4,702 | 3,597
Deferred Tax Assets, Other | 3,073 | 2,238
Deferred Tax Assets, Gross | 233,169 | 194,159
Deferred Tax Assets, Valuation Allowance | (86,677) | (7,293)
Deferred Tax Assets, Net of Valuation Allowance | 146,492 | 186,866
Deferred Tax Liabilities, Leasing Transactions | (112,860) | (112,766)
Deferred Tax Liabilities, Property, Plant and Equipment | (21,549) | (757)
Deferred Tax Liabilities, Inventory | (4,267) | (4,611)
Deferred Tax Liabilities, Prepaid Expenses | (2,884) | (3,387)
Deferred Tax Liabilities, Goodwill | 0 | (12,138)
Deferred Tax Assets, Valuation Allowance | (4,932) | (1,680)
Deferred Tax Liabilities, Gross | (146,492) | (135,339)
Deferred Tax Assets, Net | 0 | $ 51,527
Deferred Tax Assets, Operating Loss Carryforwards, Domestic | 2,000 |
Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 12,400 |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign | 9,200 |
Deferred Tax Assets, Tax Credit Carryforwards - Federal | 39,200 |
Deferred Tax Assets, Tax Credit Carryforwards - State | $ 1,200 |

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