Pension and Other Post-retirement Benefits - Amounts in Financial Position (Details) - USD ($) $ in Thousands	Oct. 25, 2020	Oct. 27, 2019
Amounts recognized in the Consolidated Statements of Financial Position
Pension Assets	$ 183,232	$ 135,915
Pension and Post-retirement Benefits	(552,878)	(536,490)
Pension Benefits
Amounts recognized in the Consolidated Statements of Financial Position
Pension Assets	183,232	135,915
Employee-related Expenses	(9,332)	(8,842)
Pension and Post-retirement Benefits	(287,254)	(265,962)
Net Amount Recognized	(113,354)	(138,889)
Post-retirement Benefits
Amounts recognized in the Consolidated Statements of Financial Position
Pension Assets	0	0
Employee-related Expenses	(19,669)	(20,418)
Pension and Post-retirement Benefits	(265,624)	(270,528)
Net Amount Recognized	$ (285,293)	$ (290,946)