Note 12 - Stock-Based Compensation (Detail) - Summary of Status of Stock Option Grants (USD $)	12 Months Ended
Dec. 30, 2012
Options	515,699
Weighted Average Exercise Price (in Dollars per share)	$ 25.41
Weighted Average Remaining Contractual Term (Years)	1 year 29 days
Options exercisable at year-end 2012	392,599
Options exercisable at year-end 2012 (in Dollars per share)	$ 26.16
Options exercisable at year-end 2012	1 year 29 days
Expired	(123,100)
Expired (in Dollars per share)	$ 23.01
Options	392,599
Weighted Average Exercise Price (in Dollars per share)	$ 26.16
Weighted Average Remaining Contractual Term (Years)	1 year 29 days

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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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock 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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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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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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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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