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

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Fair value amount of debt instrument that was repurchased.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
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The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
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Long-Term Debt - Subsequent Event (Details) - 6.625% Notes [Member] - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2020	Dec. 31, 2018	Dec. 31, 2019	Jun. 30, 2018
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				6.625%
Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.625%
Unsecured Debt [Member]
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			6.625%
Debt Instrument, Repurchase Amount				$ 100.0
Interest Paid, Including Capitalized Interest, Operating and Investing Activities		$ 0.8
Write off of Deferred Debt Issuance Cost		0.8
Redemption Premium		$ 3.3
Unsecured Debt [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Repurchase Amount	$ 100.0
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	2.0
Write off of Deferred Debt Issuance Cost	0.4
Redemption Premium	$ 1.1