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Stockholder's Equity - Stock Options Outstanding and Exercisable (Details)	12 Months Ended
	Jul. 31, 2022 $ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number Outstanding, (in shares) | shares	7,102,000
Weighted Average Remaining Contractual Life	6 years 21 days
Weighted- Average Exercise Price, Options Outstanding (in dollars per share)	$ 65.94
Number Exercisable, (in shares) | shares	4,708,000
Weighted-Average Exercise Price, Options Exercisable (in dollars per share)	$ 50.89
$17.47 - $18.23
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise price lower range	17.47
Exercise price upper range	$ 18.23
Number Outstanding, (in shares) | shares	929,000
Weighted Average Remaining Contractual Life	2 years 6 months 10 days
Weighted- Average Exercise Price, Options Outstanding (in dollars per share)	$ 17.88
Number Exercisable, (in shares) | shares	929,000
Weighted-Average Exercise Price, Options Exercisable (in dollars per share)	$ 17.88
$18.61 - $31.24
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise price lower range	18.61
Exercise price upper range	$ 31.24
Number Outstanding, (in shares) | shares	726,000
Weighted Average Remaining Contractual Life	3 years 9 months 18 days
Weighted- Average Exercise Price, Options Outstanding (in dollars per share)	$ 23.73
Number Exercisable, (in shares) | shares	726,000
Weighted-Average Exercise Price, Options Exercisable (in dollars per share)	$ 23.73
$33.74 - $83.27
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise price lower range	33.74
Exercise price upper range	$ 83.27
Number Outstanding, (in shares) | shares	2,389,000
Weighted Average Remaining Contractual Life	5 years 8 months 15 days
Weighted- Average Exercise Price, Options Outstanding (in dollars per share)	$ 48.35
Number Exercisable, (in shares) | shares	1,875,000
Weighted-Average Exercise Price, Options Exercisable (in dollars per share)	$ 46.23
$85.04 - $145.62
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise price lower range	85.04
Exercise price upper range	$ 145.62
Number Outstanding, (in shares) | shares	3,058,000
Weighted Average Remaining Contractual Life	7 years 11 months 8 days
Weighted- Average Exercise Price, Options Outstanding (in dollars per share)	$ 104.30
Number Exercisable, (in shares) | shares	1,178,000
Weighted-Average Exercise Price, Options Exercisable (in dollars per share)	$ 101.06

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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