STOCK-BASED COMPENSATION (Summary of Restricted Stock Activity) (Details) - Restricted Stock - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018
Summary of Restricted Stock Activity
Nonvested restricted stock outstanding, Number	390	414	178
Nonvested restricted stock outstanding, Weighted Average Grant Date Fair Value	$ 33.19	$ 33.09	$ 32.74
Nonvested restricted stock outstanding, Weighted Average Remaining Contractual Term (Years)	4 years	4 years 6 months	1 year 8 months 12 days
Nonvested retricted stock outstanding, Unamortized Expense	$ 7,784	$ 10,474	$ 3,050
Granted, Number	26	321
Granted, Weighted Average Grant Date Fair Value	$ 33.57	$ 32.89
Vested, Number	(44)	(61)
Vested, Weighted Average Grant Date Fair Value	$ 32.53	$ 31.90
Forfeitures, Number	(6)	(24)
Forfeitures, Weighted Average Grant Date Fair Value	$ 32.46	$ 30.85

Amount of cost to be recognized for 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 were forfeited during the reporting period.

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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 grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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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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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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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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.

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