ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Changes by Component) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2022	Apr. 02, 2021	Apr. 01, 2022	Apr. 02, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period			$ 458,505
Other comprehensive income before reclassifications	$ 168	$ (1,512)	(255)	$ 930
Amounts reclassified from accumulated other comprehensive income	22	134	43	269
Tax effects	(6)	(33)	(11)	(67)
Balance, end of period	474,586	423,736	474,586	423,736
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	6,979	7,260	7,386	4,717
Balance, end of period	7,163	5,849	7,163	5,849
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	7,183	9,765	7,606	7,323
Other comprehensive income before reclassifications	168	(1,512)	(255)	930
Amounts reclassified from accumulated other comprehensive income	0	0	0	0
Tax effects	0	0	0	0
Balance, end of period	7,351	8,253	7,351	8,253
Unamortized Loss on Defined Benefit Pension Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(204)	(2,505)	(220)	(2,606)
Other comprehensive income before reclassifications	0	0	0	0
Amounts reclassified from accumulated other comprehensive income	22	134	43	269
Tax effects	(6)	(33)	(11)	(67)
Balance, end of period	$ (188)	$ (2,404)	$ (188)	$ (2,404)