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

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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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-Publisher FASB
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- Definition

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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- Definition

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

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- Definition

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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No definition available.

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STOCK-BASED COMPENSATION (Summary of Restricted Stock Units Activity) (Details) - $ / shares	3 Months Ended					12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2019
Part A restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of RSUs, Outstanding beginning balance	2,324,396
Number of RSUs, Granted	640,191
Number of RSUs, Vested	(552,064)
Number of RSUs, Forfeited	(74,448)
Number of RSUs, Outstanding ending balance	2,338,075	2,324,396				2,324,396
Weighted average grant-date fair value per share, Outstanding beginning balance	$ 28.49
Weighted average grant-date fair value per share, Granted	33.73
Weighted average grant-date fair value per share, Vested	25.93
Weighted average grant-date fair value per share, Outstanding ending balance	$ 30.39	$ 28.49				$ 28.49
Weighted average remaining contractual term in months	5 months 24 days					6 months 18 days
Part B restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of RSUs, Outstanding beginning balance	289,254
Number of RSUs, Granted	64,705	75,370	98,342	61,123	58,418
Number of RSUs, Vested	(57,336)
Number of RSUs, Outstanding ending balance	296,623	289,254				289,254
Weighted average grant-date fair value per share, Outstanding beginning balance	$ 49.73
Weighted average grant-date fair value per share, Granted	69.86	$ 63.67	$ 52.81	$ 22.43	$ 64.41
Weighted average grant-date fair value per share, Vested	64.41
Weighted average grant-date fair value per share, Outstanding ending balance	$ 51.28	$ 49.73				$ 49.73
Weighted average remaining contractual term in months	7 months 15 days					8 months