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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclassifications) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2021
Jan. 01, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Amortization of loss $ 774 $ 2,404
Income tax expense (3,733) (6,164)
Net income 10,856 19,847
Unamortized Loss on Defined Benefit Pension Plans | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Amortization of loss 21 135
Income tax expense (5) (34)
Net income $ 16 $ 101