Joint Ventures, VIEs and Other Investments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 28, 2025	Mar. 29, 2024	Mar. 28, 2025	Mar. 29, 2024	Sep. 27, 2024
Variable Interest Entity [Line Items]
Assets	$ 11,210,695		$ 11,210,695		$ 11,759,005
Net (loss) Income from equity method investments			824	$ 6,983
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Assets	157,300		157,300		161,900
Consolidated liabilities	134,200		134,200		122,700
VIE, not primary beneficiary
Variable Interest Entity [Line Items]
Assets	126,600		126,600		138,800
Consolidated liabilities	117,700		117,700		138,000
Equity method investments	35,600		35,600		36,600
Net (loss) Income from equity method investments	(200)	$ 3,800	3,500	$ 6,500
Accounts receivable from unconsolidated joint ventures accounted for under the equity method	$ 20,700		$ 20,700		$ 12,300