Accumulated Other Comprehensive Income (Loss) (Changes in AOCI by Component) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period	$ 1,636,087
Other comprehensive income, net of tax	33,009	$ 53,853
End of period	1,707,217	1,525,181
Accumulated foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period	(140,486)
OCI before reclassifications	31,040
Amounts reclassified from AOCIL	(27)
Other comprehensive income, net of tax	31,013
End of period	(109,473)
Accumulated retirement liability
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period	(113,605)
OCI before reclassifications	(366)
Amounts reclassified from AOCIL	2,044
Other comprehensive income, net of tax	1,678
End of period	(111,927)
Accumulated gain (loss) on derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period	(518)
OCI before reclassifications	93
Amounts reclassified from AOCIL	225
Other comprehensive income, net of tax	318
End of period	(200)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period	(254,609)	(311,042)
OCI before reclassifications	30,767
Amounts reclassified from AOCIL	2,242
Other comprehensive income, net of tax	33,009	53,853
End of period	$ (221,600)	$ (257,189)