Pension and Other Post-retirement Benefits - Categories of Plan Assets and Valuation Level (Details) - Pension Benefits - USD ($) $ in Thousands	12 Months Ended
	Oct. 25, 2020	Oct. 27, 2019	Oct. 28, 2018
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	$ 1,553,532	$ 1,477,288	$ 1,313,380
Fair Value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	888,614	921,885
Net asset value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	664,918	555,403
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	310,994	437,209
Significant Other Observable Inputs (Level 2)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	493,782	399,775
Significant Unobservable Inputs (Level 3)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	83,838	84,901	$ 76,257
Cash Equivalents | Fair Value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	23,392	17,385
Cash Equivalents | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	1,294	2,445
Cash Equivalents | Significant Other Observable Inputs (Level 2)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	22,098	14,940
Domestic | Fair Value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	43,479	49,049
Domestic | Significant Unobservable Inputs (Level 3)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	43,479	49,049
International | Fair Value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	40,359	35,852
International | Significant Unobservable Inputs (Level 3)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	40,359	35,852
U.S. Government Issues | Fair Value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	239,239	281,879
U.S. Government Issues | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	158,525	277,790
U.S. Government Issues | Significant Other Observable Inputs (Level 2)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	80,714	4,089
Municipal Issues | Fair Value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	15,768	20,846
Municipal Issues | Significant Other Observable Inputs (Level 2)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	15,768	20,846
Corporate Issues – Domestic | Fair Value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	323,070	313,719
Corporate Issues – Domestic | Significant Other Observable Inputs (Level 2)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	323,070	313,719
Corporate Issues – Foreign | Fair Value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	52,132	46,181
Corporate Issues – Foreign | Significant Other Observable Inputs (Level 2)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	52,132	46,181
Global Stocks - Mutual Funds | Fair Value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	151,175	156,974
Global Stocks - Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	$ 151,175	156,974
Real Estate – Domestic
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Advance notice to requests redemption of shares, first option	45 days
Advance notice to requests redemption of shares, second option	90 days
Real Estate – Domestic | Net asset value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	$ 81,015	79,329
Global Stocks - Collective Investment Funds | Net asset value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	457,713	404,971
Hedge Funds | Net asset value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	37,293	$ 71,103
Fixed Income - Hedge Funds | Net asset value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	51,956
Fixed Income - Collective Investment Funds | Net asset value
Fair values of defined benefit pension plan investments by asset category and fair value hierarchy level
Total Plan Assets at Fair Value	$ 36,941