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Note 18 - Income Taxes (Details) (USD $)	12 Months Ended
Note 18 - Income Taxes (Details) (USD $)	Mar. 29, 2015	Mar. 30, 2014	Mar. 31, 2013	Mar. 27, 2016	Apr. 01, 2012
Note 18 - Income Taxes (Details) [Line Items]
Deferred Tax Liabilities, Undistributed Foreign Earnings	$ 8,164,000
Undistributed Earnings of Foreign Subsidiaries	49,600,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(2,800,000)	(8,000,000)	(6,700,000)
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	8,400,000
Unrecognized Tax Benefits	17,636,000us-gaap_UnrecognizedTaxBenefits	14,164,000us-gaap_UnrecognizedTaxBenefits	15,465,000us-gaap_UnrecognizedTaxBenefits		16,820,000us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	14,700,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	1,400,000
Scenario, Forecast [Member]
Note 18 - Income Taxes (Details) [Line Items]
Foreign Earnings Repatriated				$ 45,000,000
Earliest Tax Year [Member]
Note 18 - Income Taxes (Details) [Line Items]
Open Tax Year	2004
Latest Tax Year [Member]
Note 18 - Income Taxes (Details) [Line Items]
Open Tax Year	2013