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RETIREMENT PLANS (Tables)
6 Months Ended
Apr. 16, 2023
Retirement Benefits [Abstract]  
Components of Net Periodic Benefit Cost The components of net periodic benefit cost in each period were as follows (in thousands): 
QuarterYear-to-date
April 16,
2023
April 17,
2022
April 16,
2023
April 17,
2022
Defined benefit pension plans:
Interest cost$4,435 $3,389 $10,348 $7,904 
Expected return on plan assets(3,485)(4,178)(8,133)(9,747)
Actuarial losses (1)707 890 1,651 2,078 
Amortization of unrecognized prior service costs (1)10 10 
Net periodic benefit cost $1,661 $105 $3,876 $245 
Post-retirement healthcare plans:
Interest cost$162 $113 $377 $263 
Actuarial gains (1)(216)(148)(502)(345)
Net periodic benefit credit$(54)$(35)$(125)$(82)
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(1)Amounts were reclassified from accumulated other comprehensive income into net earnings as a component of “Other pension and post-retirement expenses, net.”
Schedule of Defined Benefit Plan Contribution Details regarding 2023 contributions are as follows (in thousands):
SERPPost-Retirement
Healthcare Plans
Net year-to-date contributions$2,620 $614 
Remaining estimated net contributions during fiscal 2023$2,593 $498