Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
May 02, 2015	May 03, 2014
Cash flows from operating activities:
Net income (loss)	$ 164,307us-gaap_NetIncomeLoss	$ 67,200us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Excess tax benefits from stock-based compensation	(29,570)	(27,415)
Depreciation and amortization	40,247	59,927
Loss on disposal of property and equipment	1,241	3,178
Gain on sale of network adapter business	0	(4,884)
Amortization of debt issuance costs and debt discount	5,224	566
Write-off of debt discount and debt issuance costs related to lenders that did not participate in refinancing	4,808us-gaap_OtherNoncashExpense	0us-gaap_OtherNoncashExpense
Provision for doubtful accounts receivable and sales allowances	4,694us-gaap_ProvisionForDoubtfulAccounts	3,528us-gaap_ProvisionForDoubtfulAccounts
Non-cash stock-based compensation expense	40,157us-gaap_ShareBasedCompensation	39,640us-gaap_ShareBasedCompensation
Goodwill impairment charge	0us-gaap_GoodwillImpairmentLoss	83,382us-gaap_GoodwillImpairmentLoss
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	35,237	52,266
Inventories	3,008us-gaap_IncreaseDecreaseInInventories	4,570us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets	(25,702)	(8,371)
Deferred tax assets	503	57
Accounts payable	(6,160)	(7,126)
Accrued employee compensation	(39,997)	(11,738)
Deferred revenue	(9,149)	573
Other accrued liabilities	25,285	33,324
Restructuring liabilities	(1,866)	(10,964)
Net cash provided by operating activities	212,267	277,713
Cash flows from investing activities:
Purchases of non-marketable equity and debt investments	150	223
Purchases of property and equipment	(34,091)	(27,395)
Purchase of intangible assets	(7,750)	0
Net cash paid in connection with acquisitions	(95,278)	0
Proceeds from collection of note receivable	250	250
Proceeds from sale of network adapter business	0	9,995
Net cash used in investing activities	(137,019)	(17,373)
Cash flows from financing activities:
Payment of principal related to senior secured notes	(300,000)	0
Payment of debt issuance costs	(1,661)us-gaap_PaymentsOfDebtIssuanceCosts	0us-gaap_PaymentsOfDebtIssuanceCosts
Payment of principal related to capital leases	(1,267)	(1,749)
Common stock repurchases	(208,244)	(190,432)
Proceeds from issuance of common stock	21,975	54,530
Payment of cash dividends to stockholders	(29,854)us-gaap_PaymentsOfDividendsCommonStock	0us-gaap_PaymentsOfDividendsCommonStock
Proceeds from convertible notes	565,656us-gaap_ProceedsFromConvertibleDebt	0us-gaap_ProceedsFromConvertibleDebt
Purchase of convertible hedge	(86,135)	0
Proceeds from issuance of warrants	51,175us-gaap_ProceedsFromIssuanceOfWarrants	0us-gaap_ProceedsFromIssuanceOfWarrants
Excess tax benefits from stock-based compensation	29,570	27,415
Net cash provided by (used in) financing activities	41,215	(110,236)
Effect of exchange rate fluctuations on cash and cash equivalents	(4,668)	512
Net increase in cash and cash equivalents	111,795	150,616
Cash and cash equivalents, beginning of period	1,255,017	986,997
Cash and cash equivalents, end of period	1,366,812	1,137,613
Supplemental disclosures of cash flow information:
Cash paid for interest	18,937us-gaap_InterestPaid	17,375us-gaap_InterestPaid
Cash paid for income taxes	23,599us-gaap_IncomeTaxesPaidNet	16,408us-gaap_IncomeTaxesPaidNet
Supplemental schedule of non-cash investing activities:
Settlement of debt investment in relation to acquisition	$ 150	$ 0

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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The cash outflow associated with other investments held by the entity for investment purposes not otherwise defined in the taxonomy.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

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Amount of cash inflow (outflow) from long-term debt wholly or partially secured by collateral. Excludes tax exempt secured debt.

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Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities.

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No definition available.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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