Commitments and Contingencies (Schedule Of Payments Due By Period) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Commitments and Contingencies [Abstract]
Principal payments on long-term debt, Total	$ 176,466	$ 190,000
Principal payments on long-term debt, 2 to 3 years	176,466
Finance lease commitments/financing obligations, Total	499,808
Finance lease commitments/financing obligations, Within 1 Year	58,875
Finance lease commitments/financing obligations, 2 to 3 Years	113,173
Finance lease commitments/financing obligations, 4 to 5 Years	101,901
Finance lease commitments/financing obligations, After 5 Years	225,859
Operating lease commitments, Total	260,843
Operating lease commitments, Within 1 year	40,933
Operating lease commitments, 2 to 3 years	74,419
Operating lease commitments, 4 to 5 years	60,043
Operating lease commitments, After 5 years	85,448
Accrued rent, Total	815
Accrued rent, Within 1 year	720
Accrued rent, 2 to 3 Years	36
Accrued rent, 4 to 5 Years	25
Accrued rent, After 5 Years	34
Other liabilities, Total	333
Other liabilities, Within 1 year	333
Contractual commitments, Total	938,265
Contractual commitments, Within 1 year	100,861
Contractual commitments, 2 to 3 years	364,094
Contractual commitments, 4 to 5 years	161,969
Contractual commitments, After 5 years	311,341
Finance lease payments, related to options to extend, reasonable certain of being exercised	103,500
Operating lease payments, related to options to extend, reasonably certain of being exercised	$ 65,400