Derivative Instruments and Hedging Activities, Pre-tax Effects of Derivative Instruments on AOCI and Income (Details) - Interest Rate Swaps [Member] - Cash Flow Hedging [Member] - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Nov. 02, 2018	Oct. 27, 2017	Aug. 03, 2018
Interest Rate Cash Flow Hedges [Abstract]
Amount of income recognized in AOCI on derivatives (effective portion)	$ 1,699		$ 13,103
Ineffectiveness recorded in earnings on interest rate cash flow hedge	0	$ 0
Interest Expense [Member]
Interest Rate Cash Flow Hedges [Abstract]
Amount of loss reclassified from AOCI into income (effective portion)	$ 0	$ 1,064