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Note A - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	12 Months Ended
	Sep. 27, 2025 USD ($) shares	Sep. 28, 2024 USD ($) shares	Sep. 30, 2023 USD ($) shares	Sep. 24, 2022
Contract with Customer, Asset, Allowance for Deductions	$ 22,300	$ 21,900
Accounts Receivable, Allowance for Credit Loss	3,300	3,200	$ 3,200
Accounts Receivable, after Allowance for Credit Loss	$ 184,100	189,200	$ 198,100
Employees Covered Under Collective Bargaining Agreement, Percentage	28.00%
Unrecognized Tax Benefits	$ 343	343
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 300	$ 300
Effective Income Tax Rate Reconciliation, Percent	24.10%	27.20%	26.60%
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) \| shares	207,171	152,381	252,044
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) \| shares	0	0	0
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate				25.80%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate				0.80%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate				1.60%
Advertising Expense	$ 11,900	$ 11,100	$ 9,700
Unrecorded Unconditional Purchase Obligation	133,000
Research and Development Expense	$ 1,400	$ 1,200	$ 1,200
Five Year Options [Member]
Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Volatility Calculation Term (Month)				51 months
Ten Year Options [Member]
Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Volatility Calculation Term (Month)				10 years
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period \| shares	34,868	25,957	21,864
Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period \| shares	17,500	14,506	21,260
Fair Value, Inputs, Level 2 [Member]
Certificates of Deposit, at Carrying Value	$ 5,200	$ 5,200
Revenue Benchmark [Member] \| Customer Concentration Risk [Member]
Number of Major Customers	10	10	10
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years	2 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term				4 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	20 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term				10 years
Customer Group One [Member]
Approximate Number of Customers	21
Customer Group One [Member] \| Minimum [Member]
Accounts Receivable, after Allowance for Credit Loss	$ 1,000
Customer Group One [Member] \| Maximum [Member]
Accounts Receivable, after Allowance for Credit Loss	$ 10,000
Balance Over 10 Million [Member]
Number of Major Customers	5
Balance Over 10 Million [Member] \| Minimum [Member]
Accounts Receivable, after Allowance for Credit Loss	$ 10,000
Largest Customer [Member]
Accounts Receivable, after Allowance for Credit Loss	$ 25,000
Largest Customer [Member] \| Revenue Benchmark [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	10.00%	9.00%	9.00%
Top Ten Customers [Member] \| Revenue Benchmark [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	46.00%	45.00%	43.00%
UNITED STATES
Cash, Uninsured Amount	$ 47,000
Non-US [Member]
Cash, Uninsured Amount	$ 56,000