Pension and Other Post-retirement Benefits - Costs And Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 25, 2020	Oct. 27, 2019	Oct. 28, 2018
Pension Benefits
Net periodic cost of defined benefit plans
Service Cost	$ 35,584	$ 26,042	$ 31,612
Interest Cost	53,642	60,385	56,196
Expected Return on Plan Assets	(101,283)	(92,492)	(99,091)
Amortization of Prior Service Cost	(2,168)	(2,795)	(2,468)
Recognized Actuarial Loss (Gain)	22,383	14,805	18,166
Curtailment (Gain) Charge	0	2,825	0
Net Periodic Cost	8,158	8,770	4,415
Post-retirement Benefits
Net periodic cost of defined benefit plans
Service Cost	770	690	980
Interest Cost	9,306	12,016	11,169
Expected Return on Plan Assets	0	0	0
Amortization of Prior Service Cost	(2,651)	(2,675)	(3,111)
Recognized Actuarial Loss (Gain)	1,045	0	179
Curtailment (Gain) Charge	0	1,219	0
Net Periodic Cost	$ 8,470	$ 11,250	$ 9,217