Note 3 - Stock-Based Compensation (Details) - Stock Options (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Jun. 28, 2014	Mar. 29, 2014
Stock Options [Abstract]
Number of Shares	576	609
Weighted Average Exercise Price Per Share	$ 6.64	$ 6.58
Weighted Average Remaining Contractual Term (in years)	4 years
Aggregate Intrinsic Value	$ 2,123
Exercised	(33)
Exercised	$ 5.38
Exercisable as of June 28, 2014	476
Exercisable as of June 28, 2014	$ 6.45
Exercisable as of June 28, 2014	3 years
Exercisable as of June 28, 2014	$ 1,847

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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No definition available.

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Number of share options (or share units) exercised during the current period.

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