Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 944
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section S99
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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

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
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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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DEBT - Schedule of Unused and Available Amount of Debt (Details) - USD ($)	Dec. 31, 2019	Jun. 05, 2019	Dec. 31, 2018	May 31, 2018
Debt Instrument [Line Items]
Borrowings outstanding	$ (3,291,600,000)		$ (3,270,900,000)
Revolving line of credit
Debt Instrument [Line Items]
Committed capacity	250,000,000.0	$ 250,000,000.0		$ 200,000,000.0
Borrowings outstanding	(140,000,000.0)
Letters of credit issued	(10,900,000)
Unused and available	$ 99,100,000