Pension and Other Post-retirement Benefits - Commitments (Details) - Pension Benefits - USD ($) $ in Thousands	12 Months Ended
	Oct. 27, 2019	Oct. 28, 2018
Investment commitment
Unfunded Commitment Balance	$ 23,332	$ 36,819
Domestic Equity
Investment commitment
Unfunded Commitment Balance	363	677
International Equity
Investment commitment
Unfunded Commitment Balance	$ 22,969	$ 36,142