Note 18 - Income Taxes (Details) (USD $)	3 Months Ended	12 Months Ended				3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 29, 2013	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012	Mar. 27, 2011	Mar. 30, 2014 Cadeka [Member]	Dec. 29, 2013 Cadeka [Member]	Mar. 30, 2014 Cadeka [Member]
Note 18 - Income Taxes (Details) [Line Items]
Undistributed Earnings of Foreign Subsidiaries		$ (5,800,000)
Valuation Allowance, Deferred Tax Asset, Change in Amount		(8,000,000)	(6,700,000)	13,900,000
Income Tax Expense (Benefit)	(1,300,000)	(8,478,000)	(1,189,000)	51,000		(170,000)	(6,800,000)	(6,800,000)
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost		8,300,000
Unrecognized Tax Benefits		14,164,000	15,465,000	16,820,000	16,714,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		11,600,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit		$ 96,000