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Note A - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

		(in thousands)
Balance at September 24, 2016		$	354
Additions based on tax positions related to the current year			20
Reductions for tax positions of prior years			-
Settlements			-
Balance at September 30, 2017		$	374

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Fiscal Year Ended September 30, 2017
		Income				Shares				Per Share
		(Numerator)				(Denominator)				Amount
		(in thousands, except per share amounts)
Earnings Per Basic Share
Net Income available to common stockholders		$	79,174				18,707			$	4.23
Effect of Dilutive Securities
Options			-				109				(0.02	)
Earnings Per Diluted Share
Net Income available to common stockholders plus assumed conversions		$	79,174				18,816			$	4.21

		Fiscal Year Ended September 24, 2016
		Income				Shares				Per Share
		(Numerator)				(Denominator)				Amount
		(in thousands, except per share amounts)
Earnings Per Basic Share
Net Income available to common stockholders		$	75,975				18,649			$	4.07
Effect of Dilutive Securities
Options			-				120				(0.02	)
Earnings Per Diluted Share
Net Income available to common stockholders plus assumed conversions		$	75,975				18,769			$	4.05

		Fiscal Year Ended September 26, 2015
		Income				Shares				Per Share
		(Numerator)				(Denominator)				Amount
		(in thousands, except per share amounts)
Earnings Per Basic Share
Net Income available to common stockholders		$	70,183				18,685			$	3.76
Effect of Dilutive Securities
Options			-				134				(0.03	)
Earnings Per Diluted Share
Net Income available to common stockholders plus assumed conversions		$	70,183				18,819			$	3.73

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

		Fiscal year ended
		September 30,				September 24,				September 26,
		2017				2016				2015
		(in thousands)
Stock options		$	(436	)		$	86			$	1,098
Stock purchase plan			363				305				328
Stock issued to an outside director			56				-				-
Restricted stock issued to employees			4				4				6
Total share-based compensation		$	(13	)		$	395			$	1,432
The above compensation is net of tax benefits		$	3,061			$	1,980			$	734

X

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
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Tabular disclosure of the change in unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 55
-Paragraph 217
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