Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 29, 2024	Mar. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 6,600,082	$ 6,104,392
Other comprehensive (loss) income	66,042
Reclassifications from accumulated other comprehensive income (loss)	(19,331)
Ending balance	6,678,462	6,428,024
Foreign currency translation adjustment	(21,200)	(87,200)
Interest rate and cross currency swap gains to be reclassified during the next 12 months	20,200
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(857,954)	(975,130)
Ending balance	(811,243)	$ (838,042)
Change in Net Pension Obligation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(325,692)
Other comprehensive (loss) income	(7,394)
Reclassifications from accumulated other comprehensive income (loss)	0
Ending balance	(333,086)
Foreign Currency Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(635,937)
Other comprehensive (loss) income	73,177
Reclassifications from accumulated other comprehensive income (loss)	0
Ending balance	(562,760)
Gain/(Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	103,675
Other comprehensive (loss) income	259
Reclassifications from accumulated other comprehensive income (loss)	(19,331)
Ending balance	$ 84,603