Name:	brcd_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger
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Discount rate used to determine the fair value of the liability component of a convertible debt

No definition available.

Name:	brcd_DiscountRateForFairValueOfLiabilityComponent
Namespace Prefix:	brcd_
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Line Of Credit Facility Commission Fee Percentage

No definition available.

Name:	brcd_LineOfCreditFacilityCommissionFeePercentage
Namespace Prefix:	brcd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Line Of Credit Facility Issuance Fee Percentage

No definition available.

Name:	brcd_LineOfCreditFacilityIssuanceFeePercentage
Namespace Prefix:	brcd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Repurchase price of Senior Secured Notes as percentage of principal amount in case of change in control.

No definition available.

Name:	brcd_RepurchasePriceOfNotesAsPercentageOfPrincipalAmountInCaseOfChangeInControl
Namespace Prefix:	brcd_
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Number of days the warrants mature over commencing on the maturity date

No definition available.

Name:	brcd_WarrantsMaturityPeriod
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Date the warrants or rights are exercisable, in CCYY-MM-DD format.

Name:	us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable
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Exercise price per share or per unit of warrants or rights outstanding.

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
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Period Type:	instant

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Period Type:	instant

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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The price per share of the conversion feature embedded in the debt instrument.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instruments must exceed threshold percentage for a specified number of trading days to trigger conversion feature, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays
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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

No definition available.

Name:	us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
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Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

No definition available.

Name:	us-gaap_DebtInstrumentConvertibleThresholdTradingDays
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_DebtInstrumentFaceAmount
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Balance Type:	credit
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
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Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
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Period Type:	duration

Discussion of whether the borrowings under the credit facility are secured or unsecured and, if secured, a description of collateral (for example, accounts receivable less than 120 days old, finished goods inventory).

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Name:	us-gaap_LineOfCreditFacilityCollateral
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

Fair value of the amount outstanding under the credit facility.

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Name:	us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

Name:	us-gaap_LineOfCreditFacilityInterestRateDescription
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
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Balance Type:	credit
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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

No definition available.

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

No definition available.

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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The number of issuer's shares to which the option contract is indexed.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Exercise or strike price stated in the contract for options indexed to the issuer's equity shares.

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The cash outflow for a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.

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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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 outflow for the payment of debt classified as other, maturing after one year or the operating cycle, if longer.

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Name:	us-gaap_RepaymentsOfOtherLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Name:	us-gaap_DebtInstrumentAxis=brcd_ConvertibleSeniorUnsecured2020NotesMember
Namespace Prefix:
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Name:	brcd_ConversionConditionAxis=brcd_TradingPriceTriggerOneMember
Namespace Prefix:
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Name:	brcd_ConversionConditionAxis=brcd_TradingPriceTriggerTwoMember
Namespace Prefix:
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Name:	us-gaap_DebtInstrumentAxis=brcd_SeniorUnsecured2023NotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=brcd_SeniorCreditFacilityMember
Namespace Prefix:
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Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=brcd_TermLoanFacilityMember
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Name:	us-gaap_DebtInstrumentAxis=us-gaap_RevolvingCreditFacilityMember
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Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
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Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
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