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Note 12 - Repurchase of Common Stock (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Apr. 02, 2017	Apr. 26, 2017	Jul. 03, 2016	Dec. 28, 2014
Stock Repurchase Program, Number of Shares Authorized to be Repurchased				500,000
Stock Repurchase Program, Authorized Amount			$ 50
Treasury Stock, Shares, Acquired	1,601,896
Treasury Stock Acquired, Average Cost Per Share	$ 19.36
Treasury Stock, Shares, Retired	1,601,896
Subsequent Event [Member]
Stock Repurchase Program, Authorized Amount		$ 100

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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X

- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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X

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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-Section 50
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Number of shares of common and preferred stock retired from treasury during the period.

+ References

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-Topic 210
-SubTopic 10
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