Note 18 - Income Taxes (Details) - Unrecognized Tax Benefits (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 29, 2015	Mar. 30, 2014	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012
Unrecognized Tax Benefits [Abstract]
Unrecognized tax benefits	$ 17,636us-gaap_UnrecognizedTaxBenefits	$ 14,164us-gaap_UnrecognizedTaxBenefits	$ 14,164us-gaap_UnrecognizedTaxBenefits	$ 15,465us-gaap_UnrecognizedTaxBenefits	$ 16,820us-gaap_UnrecognizedTaxBenefits
Gross increase related to prior year tax positions	252		92
Gross decrease related to prior year tax positions				(271)
Gross increase related to current year tax positions	3,305	487		292
Lapses in statute of limitation	$ (85)	$ (1,880)		$ (1,376)

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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