Income Taxes - Tax Effect of Temporary Differences and Carryforwards which Give Rise to Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 24, 2022
Deferred Tax Assets
Allowance for doubtful accounts	$ 5,338	$ 6,286
Inventory write-downs	18,230	14,413
Nondeductible reserves	10,045	8,898
State taxes	181
Employee benefits	10,743	9,799
State net operating loss carryforward	6,158	6,415
Stock based compensation	8,155	7,330
State credits	3,055	2,979
Other	5,389	966
Valuation allowance	(7,659)	(6,734)
Total	59,635	50,352
Deferred Tax Liabilities
Prepaid expenses	1,602	1,787
Deferred tax liabilities, state taxes	0	279
Depreciation and amortization	192,235	194,225
Deferred tax liabilities, equity loss	653	564
Total	$ 194,490	$ 196,855