EQUITY-BASED COMPENSATION - Equity Value Units (Details) - USD ($) $ in Millions		9 Months Ended
Apr. 26, 2017	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense on non-vested equity-based awards		$ 159.7
Equity Value Units, Equity Settled
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units outstanding (in shares)		1,000,000
Equity Value Units, Cash Settled
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units outstanding (in shares)		1,000,000
Number of units granted (in shares)	225,000
Incremental compensation cost	$ 4.1
Equity Value Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recapitalization percentage		33.33%
Unrecognized compensation expense on non-vested equity-based awards		$ 4.1
Weighted average remaining service term		2 years 3 months

Share-Based Compensation Arrangement By Share-based Payment Award, Award Recapitalization

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- Definition

Weighted average remaining service period.

+ References

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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