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ACQUISITION - Acquired Amortizable Intangible Assets (Liabilities) (Details) - USD ($) $ in Thousands	Nov. 05, 2018	Nov. 30, 2018	Aug. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amounts of the intangible assets subject to amortization		$ 30,600	$ 20,500
Net unfavorable lease contracts	$ (2,516)
Unfavorable contract backlog	$ (133,600)	$ (122,268)	$ 0
Non-compete Agreement
Acquired Finite-Lived Intangible Assets [Line Items]
Life in years, asset	5 years
Gross carrying amounts of the intangible assets subject to amortization	$ 7,769
Favorable Contract Backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Life in years, asset	1 year
Gross carrying amounts of the intangible assets subject to amortization	$ 2,294
Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Life in years, unfavorable contract backlog	1 year
Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Life in years, unfavorable contract backlog	2 years

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- Definition

Business Combination, Acquired Unfavorable Contract Backlog

+ References

No definition available.

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- Definition

Finite-lived Intangible Liabilities, Gross

+ References

No definition available.

+ Details

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- Definition

Finite-lived Intangible Liability, Useful Life

+ References

No definition available.

+ Details

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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

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Details

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