Leasing (Schedule Of Future Maturities of Lease Liabilities) (Details) $ in Thousands	Dec. 28, 2019 USD ($)
Operating Leases:
Remainder 2020	$ 9,447
2021	36,553
2022	33,155
2023	29,170
2024	24,648
Thereafter	113,167
Total undiscounted lease obligations	246,140
Less: imputed interest	(39,023)
Net lease obligation	207,117
Finance Leases and Financing Obligations:
Remainder 2020	12,928
2021	52,126
2022	51,956
2023	51,999
2024	45,601
Thereafter	251,798
Total undiscounted lease obligations	466,408
Less: imputed interest	(136,436)
Net lease obligation	$ 329,972