LEASES - Schedule of Right of Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 28, 2025	Mar. 29, 2024	Sep. 27, 2024
Operating leases:
Operating lease ROU assets	$ 46,978	$ 50,880	$ 47,547
Current operating lease liabilities	8,130	7,682	7,528
Non-current operating lease liabilities	40,695	44,915	$ 41,806
Total operating lease liabilities	$ 48,825	$ 52,597
Weighted average remaining lease term (in years)	10 years 7 months 2 days	11 years 3 months 10 days
Weighted average discount rate	3.40%	3.20%
Cash paid for amounts included in the measurement of lease liabilities	$ 5,028	$ 4,569
ROU assets obtained in exchange for lease liabilities	$ 4,032	$ 3,276