v3.20.4

Stock-based Compensation (Summary of Restricted Equity Awards Activity) (Details) - Service-based Restricted Equity Awards	3 Months Ended
	Oct. 31, 2020 $ / shares shares
Number of Shares
Nonvested at August 1, 2020 | shares	5,400
Vested (in shares) | shares	(4,500)
Cancelled/Forfeited (in shares) | shares	(800)
Nonvested at October 31, 2020 | shares	100
Weighted- Average Grant Date Fair Value Per Share
Nonvested at August 1, 2020 | $ / shares	$ 183.84
Vested (in dollars per share) | $ / shares	211.58
Cancelled/Forfeited (in dollars per share) | $ / shares	42.38
Nonvested at October 31, 2020 | $ / shares	$ 39.80

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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