Summary of Significant Accounting Policies (Details)	12 Months Ended
	Mar. 29, 2015 channel	Mar. 30, 2014	Mar. 31, 2013
Concentration Risk [Line Items]
Minimum number of weeks in the fiscal year reporting calendar	365 days
Maximum number of weeks in the fiscal year reporting calendar	372 days
Number of weeks in fiscal period	365 days	365 days	365 days
Number of revenue channels (channels)	3
Standard warranty period	1 year
Extended warranty period	2 years
Maximum
Concentration Risk [Line Items]
Maturity period of cash and cash equivalents	3 months
Customer Concentration Risk | Accounts Receivable
Concentration Risk [Line Items]
Number of significant distributors (distributors)	2	2
Avnet | Customer Concentration Risk | Sales
Concentration Risk [Line Items]
Concentration risk (percentage)	11.00%	12.00%	10.00%
Maxtek | Customer Concentration Risk | Sales
Concentration Risk [Line Items]
Concentration risk (percentage)			13.00%
Uniquest | Customer Concentration Risk | Sales
Concentration Risk [Line Items]
Concentration risk (percentage)	16.00%		10.00%
Significant Distributor 1 | Customer Concentration Risk | Accounts Receivable
Concentration Risk [Line Items]
Customer concentration risk (percent)	11.00%	15.00%
Significant Distributor 2 | Customer Concentration Risk | Accounts Receivable
Concentration Risk [Line Items]
Customer concentration risk (percent)	10.00%	14.00%