Accumulated Other Comprehensive Income (Loss) (Changes in AOCI by Component) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Apr. 02, 2022	Apr. 03, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period			$ 1,400,144
Other comprehensive income (loss), net of tax	$ (14,040)	$ (9,315)	(16,375)	$ 25,876
End of period	1,430,648	1,338,457	1,430,648	1,338,457
Accumulated foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period			(92,989)
OCI before reclassifications			(24,798)
Amounts reclassified from AOCIL			(45)
Other comprehensive income (loss), net of tax			(24,843)
End of period	(117,832)		(117,832)
Accumulated retirement liability
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period			(153,210)
OCI before reclassifications			1,598
Amounts reclassified from AOCIL			7,030
Other comprehensive income (loss), net of tax			8,628
End of period	(144,582)		(144,582)
Accumulated gain (loss) on derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period			(1,361)
OCI before reclassifications			(624)
Amounts reclassified from AOCIL			464
Other comprehensive income (loss), net of tax			(160)
End of period	(1,521)		(1,521)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning of period	(249,895)	(250,262)	(247,560)	(285,453)
OCI before reclassifications			(23,824)
Amounts reclassified from AOCIL			7,449
Other comprehensive income (loss), net of tax	(14,040)	(9,315)	(16,375)	25,876
End of period	$ (263,935)	$ (259,577)	$ (263,935)	$ (259,577)