Leases, Suplemental Cash Flow and Non-cash Information (Details) - USD ($) $ in Thousands	4 Months Ended
	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