Concentration of Risk (Details) (Revenues [Member])	12 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 27, 2011
Concentration Risk [Line Items]
Maximum amount of revenue from vendor products sold to customers (in hundredths)	42.00%	43.00%	40.00%
Maximum amount of revenue from the top ten customers (in hundredths)	39.00%	45.00%	37.00%
Customer Concentration Risk - AT&T Mobility Inc. [Member]
Concentration Risk [Line Items]
Concentration risk percentage (in hundredths)	30.00%	36.00%	28.00%
Supplier Concentration Risk - Otter Products LLC [Member]
Concentration Risk [Line Items]
Concentration risk percentage (in hundredths)	9.00%	17.00%	13.00%