Leases (Schedule of Lease Expense, Lease Income, and Other Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 27, 2021	Mar. 28, 2020
Leases [Abstract]
Operating lease - in excess of 12 months	$ 14,050	$ 13,518
Variable lease	4,981	4,721
Short-term lease	151	119
Operating lease income	(1,416)	(1,296)
Total net operating lease expense	17,766	17,062
Cash paid for amounts included in the measurement of lease liabilities (in thousands)
Operating cash flows from operating leases	14,954	13,955
Right-of-use assets obtained in exchange for new operating lease liabilities (in thousands)	$ 805	$ 1,107
Weighted-average remaining lease term - operating leases (in years)	19 years	20 years
Weighted-average discount rate - operating leases	4.00%	4.00%