Leases (Schedule Of Operating And Finance Lease Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 27, 2021	Mar. 28, 2020
Leases [Abstract]
Operating lease cost	$ 35,998	$ 38,525
Amortization of leased assets	30,428	21,033
Interest on lease liabilities	18,344	21,330
Short term and variable lease cost	321	2,194
Sublease income	(95)	(166)
Total lease cost	$ 84,996	$ 82,916