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PENSION PLANS (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 27, 2019	Dec. 28, 2018
Retirement Benefits [Abstract]
Pension plan contributions	$ 44	$ 45
Components of net periodic benefit cost:
Service cost	0	0
Interest on projected benefit obligation	276	265
Less estimated return on plan assets	214	191
Amortization of unrecognized losses	82	138
Net periodic benefit cost	$ 144	$ 212

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