Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
		Mar. 27, 2021	Mar. 28, 2020
Rent deferrals		$ 800
Timing of lease related expenses		1,000
Finance lease and financing obligation assets, net		275,360	$ 196,575
Finance leases liability	[1]	404,133
Operating lease assets, net		203,329	$ 199,729
Operating lease obligations	[2]	$ 208,627
Re-negotiated Rental Payments [Member]
Percent of leases re-negotiated		23.00%
Finance lease and financing obligation assets, net		$ 67,700
Finance leases liability		64,000
Operating lease assets, net		16,200
Operating lease obligations		$ 20,000

[1] Finance lease payments include $108.4 million related to options to extend finance leases that are reasonably certain of being exercised.

[2] Operating lease obligations include $61.0 million related to options to extend operating leases that are reasonably certain of being exercised.