Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB
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-Topic 820
-SubTopic 10
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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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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.

+ References

No definition available.

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Fair value of financial and nonfinancial obligations.

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- Definition

Represents the amount of benefit recorded to net finance costs related expired derivative contracts.

+ References

No definition available.

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Fair Value Measurements - Recurring Basis (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Oct. 31, 2019	Dec. 31, 2016
Fair Value, Recurring \| Level 2
Assets and (Liabilities) at Fair Value
Liabilities at fair value	$ 1.7
Assets at fair value		$ 1.7
Interest rate contracts
Assets and (Liabilities) at Fair Value
Derivative, notional amount			$ 100.0	$ 100.0
Interest rate contracts \| Fair Value, Recurring \| Level 2
Assets and (Liabilities) at Fair Value
Gain (loss) recorded to net finance costs	$ 0.7	$ (0.4)