Concentration of Risk Related to Continuing Operations (Details) - Revenue	12 Months Ended
	Mar. 28, 2021 customer item	Mar. 29, 2020 customer item	Mar. 31, 2019 customer item
Customer Concentration Risk | Top ten customers
Concentration Risk
Number of customers	10	10	10
Concentration risk (as a percent)	34.00%	34.00%	31.00%
Customer Concentration Risk | One customer
Concentration Risk
Number of customers	1	1	1
Concentration risk (as a percent)	11.00%	15.00%	14.00%
Supplier Concentration Risk | Top ten suppliers
Concentration Risk
Number of suppliers | item	10	10	10
Concentration risk (as a percent)	53.00%	54.00%	50.00%
Supplier Concentration Risk | Largest Supplier
Concentration Risk
Concentration risk (as a percent)	29.00%	30.00%	24.00%