Accumulated Other Comprehensive Income (Loss) (Activity and Classification of Derivative Deferral in AOCI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020
Derivative Instruments, Gain (Loss)
Net actuarial gain (loss) during period	$ 26,157	$ (16,131)
Tax effect - Retirement liability	(4,199)	2,472
Net deferral in AOCIL of retirement liability	21,958	(13,659)
Net deferral in AOCIL of derivatives (effective portion)	(1,668)	2,918
Tax effect - Derivatives	391	(673)
Net deferral in AOCIL of derivatives	(1,277)	2,245
Foreign currency contracts
Derivative Instruments, Gain (Loss)
Net deferral in AOCIL of derivatives (effective portion)	(1,668)	2,965
Interest rate swaps
Derivative Instruments, Gain (Loss)
Net deferral in AOCIL of derivatives (effective portion)	$ 0	$ (47)