STOCK-BASED COMPENSATION - Performance (Details) $ in Millions		3 Months Ended
Dec. 14, 2018 USD ($) shares	Dec. 31, 2018 tranche
Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Performance components		2
Number of shares granted \| shares	145,153
Weighted average grant date fair value \| $	$ 9.1
Weighted average period over which unrecognized compensation cost is expected to be recognized	3 years
First Component Of Performance Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance cycle		3 years
Second Component Of Performance Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance cycle		3 years
Number of Tranches		3
Sharebased payment award by performance cycle		1 year
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting units ranges		0.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting units ranges		200.00%

Represents the number of components in performance units award.

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- Definition

Weighted average grant date fair value of equity-based compensation awards granted. Excludes stock and unit options.

+ References

No definition available.

+ Details

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- Definition

Number of tranches in a share based payment arrangement.

+ References

No definition available.

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- Definition

Represents the performance cycle of each tranche in a share based payment arrangement.

+ References

No definition available.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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).

+ References

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- Definition

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.

+ References

No definition available.

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- Definition

Percentage of vesting of share-based compensation awards.

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-Publisher FASB
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-Topic 718
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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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