Employee Retirement and Profit Sharing Plans (Funded status of plan) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 25, 2017
Change in Plan Assets:
Fair value of plan assets at beginning of year	$ 20,629	$ 20,702
Actual return on plan assets	929	631
Benefits paid	(720)	(704)
Fair value of plan assets at end of year	20,838	20,629	$ 20,702
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year	20,606	20,405
Interest cost	781	796	806
Actuarial loss	305	109
Benefits paid	(720)	(704)
Benefit obligation at end of year	20,972	20,606	$ 20,405
(Underfunded)/funded status of plan	$ (134)	$ 23