Segment Information (Details textual) (Customer Concentration Risk [Member])	6 Months Ended	12 Months Ended							6 Months Ended
	Sep. 30, 2012 Accounts Receivable [Member] Distributors	Apr. 01, 2012 Accounts Receivable [Member] Distributors	Sep. 30, 2012 Accounts Receivable [Member] Significant Distributor 2 [Member]	Apr. 01, 2012 Accounts Receivable [Member] Significant Distributor 2 [Member]	Sep. 30, 2012 Accounts Receivable [Member] Significant Distributor 1 [Member]	Apr. 01, 2012 Accounts Receivable [Member] Significant Distributor 1 [Member]	Sep. 30, 2012 Accounts Receivable [Member] Significant Distributor 3 [Member]	Apr. 01, 2012 Accounts Receivable [Member] Significant Distributor 3 [Member]	Oct. 02, 2011 Sales Revenue, Goods, Net [Member] Distributors	Sep. 30, 2012 Sales Revenue, Goods, Net [Member] Maxtek [Member]	Oct. 02, 2011 Sales Revenue, Goods, Net [Member] Maxtek [Member]	Oct. 02, 2011 Sales Revenue, Goods, Net [Member] Avnet [Member]	Sep. 30, 2012 Sales Revenue, Goods, Net [Member] Uniquest [Member]	Oct. 02, 2011 Sales Revenue, Goods, Net [Member] Richpower [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage			14.00%	16.00%	18.00%	19.00%	10.00%	12.00%		16.00%	17.00%	10.00%	11.00%	10.00%
Concentration Risk, Number of Significant Customers	3	3							1