Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Nominal or face amount used to calculate payments on the derivative asset.

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Amount of gain (loss) from the increase (decrease) in fair value of foreign currency derivatives and nonderivative instruments designated as fair value hedging instruments which were recognized in earnings, net of offsets by the gain (loss) on the hedged item to the extent that the fair value hedge was determined to be effective.

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Amount, after tax, of reclassification from accumulated other comprehensive income (AOCI) of gain (loss) from increase (decrease) in fair value of net investment hedge.

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Derivatives and Hedging - Additional Information (Detail) $ in Thousands, € in Millions	12 Months Ended
	Jul. 31, 2019 USD ($)	Jul. 31, 2018 USD ($)	Jul. 31, 2017 USD ($)	Sep. 18, 2018 EUR (€)
Foreign currency transaction	$ 7,780
Amount reclassified		$ 0	$ 0
Cash Flow Hedging [Member]
Foreign Currency Forward Contract Outstanding	12,463
Notional amount	849,550
Not Designated as Hedging Instrument
Reclassified out of AOCI	0
Notional amount	35,700
Not Designated as Hedging Instrument \| Other Liabilities [Member]
Derivative liability	1,226
Acquisition Costs \| Foreign Currency Contract Losses
Acquisition related costs	70,777
Interest Rate Swap \| Cash Flow Hedging [Member]
Foreign Currency Forward Contract Outstanding	12,463
Notional amount	849,550
Interest Rate Swap \| Designated as Hedging Instrument
Notional Amount	$ 900,000
Term Of Swap	4 years 6 months
Foreign Exchange Forward
Notional Amount	$ 0
Foreign Exchange Forward \| Cash Flow Hedging [Member]
Foreign Currency Forward Contract Outstanding	$ 0
Foreign Exchange Forward \| Not Designated as Hedging Instrument
Notional Amount \| €				€ 1,625