Segment Information (Narrative) (Details) - Customer Concentration Risk - customer	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014	Mar. 29, 2015
Revenue
Revenue, Major Customer [Line Items]
Number of significant customers	3	2	3	2
Revenue | Avnet
Revenue, Major Customer [Line Items]
Concentration risk (percentage)	12.00%	12.00%	12.00%	12.00%
Revenue | Uniquest
Revenue, Major Customer [Line Items]
Concentration risk (percentage)	16.00%	13.00%	19.00%	11.00%
Revenue | SK Hynix Semiconductor
Revenue, Major Customer [Line Items]
Concentration risk (percentage)	15.00%		13.00%
Accounts Receivable
Revenue, Major Customer [Line Items]
Number of significant customers			2		2
Accounts Receivable | Significant Distributor 1
Revenue, Major Customer [Line Items]
Concentration risk (percentage)			15.00%		11.00%
Accounts Receivable | Significant Distributor 2
Revenue, Major Customer [Line Items]
Concentration risk (percentage)			12.00%		10.00%