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Leases, Suplemental Cash Flow and Non-cash Information (Details) - USD ($) $ in Thousands | 4 Months Ended
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Jan. 19, 2020 | Jan. 20, 2019
Cash Paid for Amounts Included in the Measurement of Lease Liabilities [Abstract] |  |
Operating cash flows from operating leases | $ 65,996 |
Operating cash flows from financing leases | 33 |
Financing cash flows from financing leases | 198 |
Right-of-use Assets Obtained in Exchange for Lease Obligations [Abstract] |  |
Operating leases | 51,311 |
Financing leases | $ 0 |
Proceeds from the sale and leaseback of assets |  | $ 0
Initial term of operating lease | 20 years |
Notice period for termination of lease without penalty | 90 days |
Multi-tenant Commercial Property |  |
Right-of-use Assets Obtained in Exchange for Lease Obligations [Abstract] |  |
Proceeds from the sale and leaseback of assets | $ 17,373 |
Gain (loss) on sale and leaseback transaction | $ (200) |
Initial term of operating lease | 20 years |
Principal Executive Offices |  |
Right-of-use Assets Obtained in Exchange for Lease Obligations [Abstract] |  |
Proceeds from the sale and leaseback of assets | $ 20,600 |
Gain (loss) on sale and leaseback transaction | $ 10,800 |
Initial term of operating lease | 18 months |

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