Leasing (Schedule Of Future Maturities of Lease Liabilities) (Details) $ in Thousands	Mar. 28, 2020 USD ($)
Operating Leases:
2021	$ 36,590
2022	33,321
2023	29,253
2024	24,778
2025	21,448
Thereafter	93,232
Total undiscounted lease obligations	238,622
Less: imputed interest	(37,487)
Net lease obligation	201,135
Finance Leases and Financing Obligations:
2021	52,480	[1]
2022	52,270
2023	53,607
2024	45,794
2025	42,072
Thereafter	214,964	[1]
Total undiscounted lease obligations	461,187	[1]
Less: imputed interest	(130,557)
Net lease obligation	$ 330,630

[1] Operating and finance lease commitments represent future undiscounted lease payments and include $74.5 million and $115.8 million, respectively, related to options to extend lease terms that are reasonably certain of being exercised. See Note 12.