LEASES - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 28, 2026	Mar. 29, 2025	Mar. 28, 2026	Mar. 29, 2025	Sep. 27, 2025
Lease, Lease Expenses [Abstract]
Operating lease expense - occupancy expenses	$ 3,248	$ 3,293	$ 6,467	$ 6,675
Occupancy lease expense - general and administrative expenses	121	121	242	242
Variable lease expense - occupancy expenses	1,270	703	2,270	1,955
Total lease expense	$ 4,639	$ 4,117	8,979	8,872
Lease, Supplemental Cash Flow [Abstract]
Operating cash flows related to operating leases			$ 8,442	$ 8,876
Lease, Weighted Average Remaining Lease Term And Discount Rate [Abstract]
Weighted average remaining lease term	10 years 6 months		10 years 6 months		10 years 10 months 24 days
Weighted average discount rate	6.20%		6.20%		6.20%