Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 30, 2025	Mar. 31, 2024	Mar. 30, 2025	Mar. 31, 2024
Reclassifications out of accumulated other comprehensive income (loss)
Beginning balance	$ 1,692,019	$ 1,537,687	$ 1,830,413	$ 1,403,506
Other comprehensive income (loss), net of tax	34,574	(24,344)	(74,305)	38,749
Ending balance	1,573,781	1,584,850	1,573,781	1,584,850
Accumulated Other Comprehensive Income (Loss)
Reclassifications out of accumulated other comprehensive income (loss)
Beginning balance	(187,754)	(132,202)	(78,875)	(195,295)
Other comprehensive income (loss) before reclassifications	34,574	(24,344)	(74,305)	38,749
Other comprehensive income (loss), net of tax	34,574	(24,344)	(74,305)	38,749
Ending balance	(153,180)	(156,546)	(153,180)	(156,546)
Foreign Currency Translation Adjustments
Reclassifications out of accumulated other comprehensive income (loss)
Beginning balance	(191,659)	(134,827)	(82,813)	(197,933)
Other comprehensive income (loss) before reclassifications	34,574	(24,344)	(74,272)	38,762
Other comprehensive income (loss), net of tax	34,574	(24,344)	(74,272)	38,762
Ending balance	(157,085)	(159,171)	(157,085)	(159,171)
Net Pension Adjustments
Reclassifications out of accumulated other comprehensive income (loss)
Beginning balance	3,905	2,625	3,938	2,638
Other comprehensive income (loss) before reclassifications	0	0	(33)	(13)
Other comprehensive income (loss), net of tax	0	0	(33)	(13)
Ending balance	$ 3,905	$ 2,625	$ 3,905	$ 2,625