Revenue (Schedule Of Changes In Deferred Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Revenue [Abstract]
Balance	$ 17,150	$ 17,182
Deferral of revenue	17,466	16,702
Deferral of revenue from acquisitions	2,916	753
Recognition of revenue	(19,026)	(17,487)
Balance	$ 18,506	$ 17,150