Deferred revenue to be recognized remainder of fiscal year.

No definition available.

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- Definition

Deferred revenue to be recognized year two.

+ References

No definition available.

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- Definition

Revenue From Contract With Customers [Line Items]

+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

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- Definition

The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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- Definition

The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Revenue Recognition - Additional Information (Detail) - USD ($)	3 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Aug. 01, 2018	Jul. 31, 2018
Revenue From Contract With Customers [Line Items]
Contract assets	$ 22,700,000		$ 24,000,000
Deferred revenue current	184,000		3,700,000
Deferred revenue long-term	212,000		3,400,000
Unearned amount to recognize in 2019	3,400,000
Unearned amount to recognize in 2020	212,000
Accumulated deficit	(7,365,332,000)			$ (7,363,569,000)
Revenue	215,133,000	$ 102,522,000
Accounting Standards Update 2014-09
Revenue From Contract With Customers [Line Items]
Accumulated deficit			(7,357,431,000)
Accounting Standards Update 2014-09 \| Difference between Revenue Guidance in Effect before and after Topic 606
Revenue From Contract With Customers [Line Items]
Accumulated deficit	6,873,000		$ 6,138,000
Revenue	$ 925,000