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Note 3 - Stock-Based Compensation (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended				0 Months Ended	1 Months Ended		3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014 Restricted Stock [Member] Vesting July 1, 2015 [Member] Board of Directors Chairman [Member] 2003 Plan [Member]	Jun. 28, 2014 Restricted Stock [Member] Executive Officers and Certain Key Employees [Member]	Jul. 01, 2014 Restricted Stock [Member] Board of Directors Chairman [Member] 2003 Plan [Member]	Jun. 25, 2014 Restricted Stock [Member] Board of Directors Chairman [Member] 2003 Plan [Member]	Jun. 28, 2014 Restricted Stock [Member] Board of Directors Chairman [Member] 2003 Plan [Member]	Jun. 28, 2014 Restricted Stock [Member]	Jun. 28, 2014 Employee Stock Option [Member]	Jun. 28, 2014 Employee Stock Option [Member] Maximum [Member]	Jun. 28, 2014 Employee Stock Option [Member] Weighted Average [Member]	Jun. 28, 2014 2003 Plan [Member]
Note 3 - Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)												1,400,000
Percent of Target Level Achieved								114.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in Shares)				42,000
Restricted Stock or Unit Expense	$ 0.1	$ 0.1
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized							0.1	1.0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)						10,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			50.00%		50.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period										4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period									10 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options									0.3
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition											2 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	0.2
Proceeds from Stock Options Exercised	$ 0.2

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The percentage of target level achieved in performance-based restricted stock.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Percentage of vesting of share-based compensation awards.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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