DEBT ARRANGEMENTS - Narrative (Details) $ in Thousands	3 Months Ended
Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Debt Instrument [Line Items]
EBITDA to fixed charges ratio requirement	2.0
Associated costs paid	$ 27	$ 72
Senior Notes \| Senior Secured First Lien Notes Due 2021
Debt Instrument [Line Items]
Stated interest rate (as a percent)	8.50%
Senior Notes \| Senior Secured Second Lien Notes Due 2021
Debt Instrument [Line Items]
Stated interest rate (as a percent)	9.875%
Extinguishment of debt	$ 10,868
Senior notes	652,078
Unamortized discount	312
Repayments of senior debt	10,556
Associated costs paid	27
Write-off of debt issuance cost and unamortized discount	$ 201

Debt Instrument, Covenant, EBITDA to Fixed Charges Ratio Requirement

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- Definition

Write off of Deferred Debt Issuance Cost and Unamortized Discount

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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

Amount, after accumulated amortization, of debt discount.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

+ References

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-Publisher FASB
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-Section 45
-Paragraph 15
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- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

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