Note 1 - Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended							0 Months Ended
	Sep. 27, 2014		Sep. 28, 2013		Sep. 29, 2012		Oct. 01, 2011	Nov. 14, 2014
Accounting Policies [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0		0		0
Common Stock, Dividends, Per Share, Declared	$ 0.57	[1]	$ 1.515	[1],[2]	$ 0.47	[1]
Shipping, Handling and Transportation Costs	$ 2,123,000		$ 2,233,000		$ 2,238,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate							2.54%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate							2.50%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate							43.02%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term							9 years
Subsequent Event [Member]
Accounting Policies [Abstract]
Common Stock, Dividends, Per Share, Declared								$ 0.15
Land, Buildings and Improvements [Member] | Maximum [Member]
Accounting Policies [Abstract]
Property, Plant and Equipment, Useful Life	35 years
Land, Buildings and Improvements [Member] | Minimum [Member]
Accounting Policies [Abstract]
Property, Plant and Equipment, Useful Life	15 years
Property, Plant and Equipment, Other Types [Member] | Maximum [Member]
Accounting Policies [Abstract]
Property, Plant and Equipment, Useful Life	15 years
Property, Plant and Equipment, Other Types [Member] | Minimum [Member]
Accounting Policies [Abstract]
Property, Plant and Equipment, Useful Life	3 years
Patents [Member] | Maximum [Member]
Accounting Policies [Abstract]
Finite-Lived Intangible Asset, Useful Life	17 years
Patents [Member] | Minimum [Member]
Accounting Policies [Abstract]
Finite-Lived Intangible Asset, Useful Life	10 years
Trademarks [Member] | Maximum [Member]
Accounting Policies [Abstract]
Finite-Lived Intangible Asset, Useful Life	10 years
Trademarks [Member] | Minimum [Member]
Accounting Policies [Abstract]
Finite-Lived Intangible Asset, Useful Life	5 years
M C H P Acquisition Trade Names Non Compete Agreements And Customer Relationships [Member] | Maximum [Member]
Accounting Policies [Abstract]
Finite-Lived Intangible Asset, Useful Life	11 years 292 days
M C H P Acquisition Trade Names Non Compete Agreements And Customer Relationships [Member] | Minimum [Member]
Accounting Policies [Abstract]
Finite-Lived Intangible Asset, Useful Life	2 years
Special Dividend [Member]
Accounting Policies [Abstract]
Common Stock, Dividends, Per Share, Declared			$ 1
Special Dividend [Member] | Subsequent Event [Member]
Accounting Policies [Abstract]
Common Stock, Dividends, Per Share, Declared								$ 1

[1] Dividends per share for fiscal year 2013 include a special dividend of $1.00 per share paid on December 4, 2012.

[2] Dividends per share for fiscal year 2013 include a special dividend paid on December 4, 2012.