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Topic 842 Adoption (Details) - USD ($) $ in Thousands | Dec. 27, 2020 | Dec. 29, 2019 | Dec. 31, 2018 | Dec. 30, 2018
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Leases [Abstract] |  |  |  |
Right of use assets, net | $ 425,573 | $ 426,248 | $ 478,268 | $ 0
Prepaid expenses and other current assets | 13,818 | 21,338 | 20,984 | 27,576
Current portion of lease obligations | 55,275 | 42,699 | 41,392 | 786
Deferred rent |  |  | 0 | 75,675
Operating And Finance Leases, Liability | 520,508 | 508,134 | 516,159 | 9,414
Retained earnings | $ 77,198 | $ 353,266 | $ 361,169 | 376,341
Topic 842 Adjustment, Right of Use Asset |  |  |  | 478,268
Topic 842 Adjustment, Prepaid Expenses and Other Current Assets |  |  |  | (6,592)
Topic 842 Adjustment, Current Portion of Lease Obligations |  |  |  | 40,606
Topic 842 Adjustment, Deferred Rent |  |  |  | (75,675)
Topic 842 Adjustment, Long-term Portion of Lease Obligations |  |  |  | 506,745
Topic 842 Adjustment, Retained Earnings |  |  |  | $ (15,172)

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