EMPLOYEE STOCK PLANS - Schedule of Valuation Assumptions (Details) - $ / shares	12 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award
Expected dividend	0.00%
Employee Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award
Expected term (in years)	6 years 1 month 6 days	6 years 10 months 24 days	7 years
Risk-free interest rate	3.80%	3.60%	1.40%
Expected volatility	45.70%	43.90%	42.70%
Expected dividend	0.00%	0.00%	0.00%
Weighted average fair value at grant date (in USD per share)	$ 5.85	$ 9.75	$ 12.07
Employee Stock Purchase Plans
Share-based Compensation Arrangement by Share-based Payment Award
Expected term (in years)	6 months	6 months	4 months 24 days
Risk-free interest rate	5.20%	4.80%	1.60%
Expected volatility	34.20%	34.80%	33.60%
Expected dividend	0.00%	0.00%	0.00%
Weighted average fair value at grant date (in USD per share)	$ 3.97	$ 4.96	$ 5.41