Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- 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
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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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 470
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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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DEBT - 2027 Senior Notes (Details) - USD ($)		3 Months Ended		6 Months Ended	12 Months Ended
DEBT - 2027 Senior Notes (Details) - USD ($)	Jun. 05, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Dec. 31, 2017
Debt Instrument [Line Items]
Transaction expenses	$ 2,200,000	$ 2,196,000	$ 0	$ 2,196,000	$ 0
5.25% Senior Notes due 2021 \| Senior Notes
Debt Instrument [Line Items]
Senior Notes issued amount	$ 550,000,000.0
Stated interest rate ( as a percent )		5.25%		5.25%
5.875% Senior Notes due 2027 (1) \| Senior Notes
Debt Instrument [Line Items]
Redemption price (as a percent)	100.00%
Senior Notes issued amount	$ 500,000,000.0
Stated interest rate ( as a percent )	5.875%	5.875%		5.875%