Financial Derivatives and Hedging - Narrative (Details) - USD ($)		3 Months Ended	6 Months Ended
	Apr. 06, 2020	Apr. 30, 2020	Apr. 30, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Pre-tax impact of loss on derivatives recognized in other comprehensive income (loss)			$ 17,800,000
After tax impact of loss on derivatives recognized in other comprehensive income (loss)			13,500,000
Amount reclassified from accumulated other comprehensive income (loss)		$ 0	0
Derivative gain (loss) expected to be realized in earnings over the next twelve months			$ 6,800,000
Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest rate swap contracts, contract term (or less)	7 years		7 years