5.125% senior notes due 2027 that were issued on March 9, 2017.

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- Definition

5.00% senior notes due 2030 that were issued on January 19, 2018.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the amended and restated delayed-draw term loan facility, which is included in the Amended Senior Credit Facility.

+ References

No definition available.

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Annual percentage of required principal payment on the term loan facility in year 3.

+ References

No definition available.

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Annual percentage of required principal payment on the term loan facility in years 1 and 2.

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No definition available.

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Annual percentage of required principal payment on the term loan facility in years 4 and 5.

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No definition available.

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- Definition

Senior credit facility consisting of a senior revolving credit facility and a delayed-draw term loan facility.

+ References

No definition available.

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Amount of borrowing capacity under a subfacility of the senior revolving credit facility.

+ References

No definition available.

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Term credit facility with a syndicate of lenders and Sumitomo Mitsui Banking Corporation under which Olin obtained term loans that were borrowed upon on the Closing Date of the Transactions.

+ References

No definition available.

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Expense recognized for the write-off of unamortized deferred debt issuance costs as a result of the retirement of debt prior to its maturity date.

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No definition available.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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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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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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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The total of the cash outflow during the period which has been paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt and the cost incurred directly for the issuance of equity securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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No definition available.

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DEBT (Detail Textuals) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
DEBT (Detail Textuals) - USD ($) $ in Millions	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Jan. 19, 2018	Mar. 09, 2017	Oct. 05, 2015	Jun. 23, 2015
Debt Instruments [Abstract]
2030 Senior Notes				$ 550.0
Debt Instrument, Interest Rate, Stated Percentage				5.00%	5.125%
Debt Instrument [Line Items]
Amended Delayed-Draw Term Loan Facility, Maximum Borrowing Capacity					$ 1,375.0		$ 1,350.0
Write-off of unamortized deferred debt issuance costs	$ 2.6	$ 2.7
Debt issuance costs	8.5	$ 11.2
Senior Credit Facility					1,975.0		1,850.0
Line of Credit Facility, Maximum Borrowing Capacity					600.0		$ 500.0
Line of Credit Facility, Remaining Borrowing Capacity	596.5
Letters of Credit Outstanding, Amount	3.5
Sumitomo Credit Facility						$ 800.0
Subfacility Of Senior Credit Facitility					$ 100.0
Annual Required Principal Payment (Percent) in Years 1 and 2					5.00%
Annual Required Principal Payment (Percent) in Year 3					7.50%
Annual Required Principal Payment (Percent) in Years 4 and 5					10.00%
2027 Senior Notes					$ 500.0
$1,375.0 million Term Loan Facility
Debt Instrument [Line Items]
Repayments of Debt	$ 550.0
$1,350.0 million Term Loan Facility
Debt Instrument [Line Items]
Repayments of Debt			$ 1,282.5