Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Sep. 30, 2023
Property, Plant and Equipment [Abstract]
Land	$ 32,107	$ 31,417
Buildings and improvements	672,924	646,079
Machinery and equipment	849,330	827,257
Computer equipment and software	228,926	228,284
Property, plant and equipment, at cost	1,783,287	1,733,037
Less accumulated depreciation and amortization	(940,605)	(918,341)
Property, plant and equipment, net	$ 842,682	$ 814,696