Note 18 - Segment and Geographic Information (Details) - Major Distributors of Net Accounts Receivable - Accounts Receivable [Member] - Customer Concentration Risk [Member]	3 Months Ended
	Jun. 28, 2015	Mar. 29, 2015
Distributor E [Member]
Note 18 - Segment and Geographic Information (Details) - Major Distributors of Net Accounts Receivable [Line Items]
Distributor	17.00%	12.00%
Customer D [Member]
Note 18 - Segment and Geographic Information (Details) - Major Distributors of Net Accounts Receivable [Line Items]
Distributor	12.00%	10.00%
Distributor F [Member]
Note 18 - Segment and Geographic Information (Details) - Major Distributors of Net Accounts Receivable [Line Items]
Distributor	11.00%
Distributor D [Member]
Note 18 - Segment and Geographic Information (Details) - Major Distributors of Net Accounts Receivable [Line Items]
Distributor	10.00%	10.00%
Distributor B [Member]
Note 18 - Segment and Geographic Information (Details) - Major Distributors of Net Accounts Receivable [Line Items]
Distributor		11.00%

[1] Accounts receivable for this distributor for this period were less than 10% of total account balance.