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Note 8 - Employee Benefit Plans - Net Periodic Pension Costs and Related Components (Details) - Pension Plan [Member] - USD ($) $ in Thousands	3 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Interest cost	$ 96	$ 86
Service cost	74	77
Recognized net actuarial loss	35	38
Net periodic pension cost	$ 205	$ 201

X

- Definition

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

+ References

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X

- Definition

Amount of cost recognized for passage of time related to defined benefit plan.

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X

- Definition

Amount of net periodic benefit cost (credit) for defined benefit plan.

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- Definition

Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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