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Note L - Stock Options (Tables)

12 Months Ended

Sep. 30, 2017

Notes Tables

Share-based Compensation, Stock Options, Activity [Table Text Block]

		Incentive Stock Options								Nonqualified Stock Options
						Weighted-								Weighted-
		Stock				Average				Stock				Average
		Options				Exercise				Options				Exercise
		Outstanding				Price				Outstanding				Price
Balance, September 28, 2014			295,645			$	60.83				249,379			$	53.38
Granted			114,488				100.94				55,152				106.96
Exercised			(70,792	)			47.30				(6,590	)			51.14
Canceled			(6,989	)			84.13				-				-
Balance, September 26, 2015			332,352				77.04				297,941				63.34
Granted			120,450				108.69				58,720				112.35
Exercised			(86,223	)			53.67				(44,777	)			42.53
Canceled			(10,792	)			97.07				-				-
Balance, September 24, 2016			355,787				92.81				311,884				75.56
Granted			121,508				129.35				59,786				129.94
Exercised			(78,114	)			65.49				(60,156	)			41.46
Canceled			(6,200	)			100.93				-				-
Balance, September 30, 2017			392,981			$	109.41				311,514			$	92.58
Exercisable Options September 30, 2017			51,719			$	81.54				137,856			$	62.21

Non-qualified Stock Options [Member]

Notes Tables

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

				Options Outstanding												Options Exercisable
				Number				Weighted-								Number
				Outstanding				Average				Weighted-				Exercisable				Weighted-
				at				Remaining				Average				at				Average
Range of				September 30,				Contractual				Exercise				September 30,				Exercise
Exercise Prices				2017				Life				Price				2017				Price
$34.17	-	$47.59			60,000				2.7			$	41.17				60,000			$	41.17
$57.33	-	$81.67			57,856				4.1				72.95				57,856				72.95
$94.24	-	$131.30			193,658				5.5				114.38				20,000				94.24
Total options					311,514				4.7				92.58				137,856				62.21

Incentive Stock Options [Member]

Notes Tables

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

				Options Outstanding												Options Exercisable
				Number				Weighted-								Number
				Outstanding				Average				Weighted-				Exercisable				Weighted-
				at				Remaining				Average				at				Average
Range of				September 30,				Contractual				Exercise				September 30,				Exercise
Exercise Prices				2017				Life				Price				2017				Price
$57.15	-	$81.67			51,219				1.1			$	81.43				51,219			$	81.43
$93.17	-	$137.16			341,762				3.4				113.60				500				93.17
Total options					392,981				3.1				109.41				51,719				81.54

X

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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