Guarantees And Contractual Obligations (Deferred Revenue And Warranties For Certain Products Disclosure) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 29, 2016	Jan. 30, 2015
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning balance	$ 82,871	$ 80,627
Additional net deferred revenue/accrual made during the period	11,003	4,101
Payments made during the period	(2,367)	(2,162)
Ending Balance	$ 91,507	$ 82,566