SEGMENT INFORMATION (Schedule of net revenue by Capital Equipment end markets (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Apr. 04, 2026	Mar. 29, 2025	Apr. 04, 2026	Mar. 29, 2025
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	$ 242,621	$ 161,986	$ 442,246	$ 328,110
All segments excluding APS \| General Semiconductor
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	148,867	90,684	273,549	156,243
All segments excluding APS \| Automotive & Industrial
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	22,217	30,976	35,852	81,430
All segments excluding APS \| Memory
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	31,251	2,806	47,473	13,531
APS
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	$ 40,286	$ 37,520	$ 85,372	$ 76,906

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details