Concentration of Risk (Details)	12 Months Ended
	Mar. 27, 2016 item customer	Mar. 29, 2015 item customer	Mar. 30, 2014 item customer
Concentration Risk
Maximum amount of revenue from the top single customer threshold	7.00%	7.00%	7.00%
Customer Concentration Risk | Any single customer
Concentration Risk
Number of customers	0	0	0
Revenues | Supplier Concentration Risk | Top ten vendors
Concentration Risk
Number of vendors | item	10	10	10
Concentration risk (as a percent)	42.00%	41.00%	43.00%
Revenues | Supplier Concentration Risk | CommScope Incorporated
Concentration Risk
Concentration risk (as a percent)	11.00%	14.00%	16.00%
Revenues | Supplier Concentration Risk | Otter Products LLC
Concentration Risk
Concentration risk (as a percent)	15.00%
Revenues | Customer Concentration Risk | Top ten customers
Concentration Risk
Number of customers	10	10	10
Concentration risk (as a percent)	22.00%	20.00%	19.00%