Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Sep. 29, 2023	Sep. 30, 2022
Deferred tax liabilities:
Prepaid insurance	$ (7,100)	$ (39,700)
Property, plant and equipment	(52,800)	(59,200)
Intangible assets	(9,600)	(4,700)
Deferred tax assets:
Inventory	24,100	21,400
Accrued compensation and benefits	14,400	11,600
Product returns, allowances and warranty	7,000	1,500
Share-based and other deferred compensation	24,500	27,800
Net operating loss carry forwards	12,200	14,000
Federal tax credits	15,700	17,000
State tax credits	140,000	138,000
Deferred Tax Assets, Property, Plant and Equipment	34,000	20,400
Deferred Tax Assets, Goodwill and Intangible Assets	34,500	31,400
Other - net	13,900	8,700
Deferred tax assets	461,200	348,600
Less valuation allowance	(164,200)	(161,400)
Net deferred tax assets	297,000	187,200
Deferred Tax Liabilities, Net	113,800	155,100
Total deferred tax assets	183,200	32,100
Deferred Tax Liabilities, Leasing Arrangements	(44,300)	(51,500)
deferred tax asset, leasing arrangements	45,600	56,800
Deferred Tax Assets, Prepaids	95,300	0
Deferred Income Tax Assets, Net	192,300	52,700
Other Noncurrent Liabilities [Member]
Deferred tax assets:
Deferred Income Tax Liabilities, Net	(9,100)	(20,600)
Income Taxes [Line Items]
Deferred Income Tax Liabilities, Net	$ 9,100	$ 20,600