Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ (16,876)	$ 136,731
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Excess tax benefits from stock-based compensation	(2,220)	(10,987)
Depreciation and amortization	82,643	45,839
Loss on disposal of property and equipment	464	437
Amortization of debt issuance costs and debt discount	10,511	8,704
Provision (recovery) for doubtful accounts receivable and sales allowances	2,320	(1,083)
Non-cash purchase accounting adjustments to inventory	3,921	0
Non-cash stock-based compensation expense	70,745	48,833
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	21,681	32,051
Inventories	(2,177)	(424)
Prepaid expenses and other assets	602	(1,882)
Deferred tax assets	48	(74)
Accounts payable	(24,986)	(5,127)
Accrued employee compensation	(9,858)	(21,136)
Deferred revenue	(11,536)	(11,715)
Other accrued liabilities	(19,708)	5,500
Restructuring liabilities	(330)	(1,035)
Net cash provided by operating activities	105,244	224,632
Cash flows from investing activities:
Purchases of non-marketable equity and debt investments	0	2,000
Purchases of property and equipment	(19,851)	(42,425)
Net cash paid in connection with acquisitions	0	8,061
Proceeds from collection of note receivable	250	250
Net cash used in investing activities	(19,601)	(52,236)
Cash flows from financing activities:
Payment of principal related to the term loan	(40,000)	0
Payment of principal related to capital leases	0	(197)
Common stock repurchases	0	(180,848)
Proceeds from issuance of common stock	39,693	20,512
Payment of cash dividends to stockholders	(44,780)	(36,445)
Excess tax benefits from stock-based compensation	2,220	10,987
Net cash used in financing activities	(42,867)	(185,991)
Effect of exchange rate fluctuations on cash and cash equivalents	(191)	356
Net increase (decrease) in cash and cash equivalents	42,585	(13,239)
Cash and cash equivalents, beginning of period	1,257,075	1,440,882
Cash and cash equivalents, end of period	1,299,660	1,427,643
Supplemental disclosures of cash flow information:
Cash paid for interest	20,236	10,891
Cash paid for income taxes	$ 2,606	$ 31,712