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Note 4 - Fair Value Measurements - Fair Value of Financial Assets (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Oct. 01, 2016
Cash equivalents	$ 40,664	$ 58,846
Cash surrender value of life insurance policies	8,469	7,909
Total	49,133	66,755
Fair Value, Inputs, Level 1 [Member]
Cash equivalents	40,664	58,846
Cash surrender value of life insurance policies
Total	40,664	58,846
Fair Value, Inputs, Level 2 [Member]
Cash equivalents
Cash surrender value of life insurance policies	8,469	7,909
Total	$ 8,469	$ 7,909

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

+ Details

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X

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

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X

- Definition

Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

+ References

No definition available.

+ Details

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