Derivative Instruments and Hedging Activities, Pre-tax Effects of Derivative Instruments on AOCL and Income (Details) - Interest Rate Swaps [Member] - Cash Flow Hedging [Member] - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Oct. 28, 2016	Oct. 30, 2015	Jul. 29, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Amount of income recognized in AOCL on derivatives (effective portion)	$ 6,106		$ (16,188)
Ineffectiveness recorded in earnings on interest rate cash flow hedge	0	$ 0
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of loss reclassified from AOCL into income (effective portion)	$ 1,243	$ 1,447