Concentration of Risk (Details) - Revenues	12 Months Ended
	Apr. 01, 2018 item customer	Mar. 26, 2017 item customer	Mar. 27, 2016 item customer
Customer Concentration Risk | Top ten customers
Concentration Risk
Number of customers | customer	10	10	10
Concentration risk (as a percent)	28.00%	26.00%	22.00%
Supplier Concentration Risk | Top ten vendors
Concentration Risk
Number of vendors | item	10	10	10
Concentration risk (as a percent)	43.00%	41.00%	42.00%
Supplier Concentration Risk | Largest commercial vendor
Concentration Risk
Concentration risk (as a percent)	11.00%	10.00%	11.00%
Supplier Concentration Risk | Largest retail vendor
Concentration Risk
Concentration risk (as a percent)	10.00%	11.00%	15.00%