Derivative, Notional Amount, Contracts Entered During Period

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- Definition

Percentage Of Forecasted Natural Gas Usage Hedged for Year 1

+ References

No definition available.

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- Definition

Aggregate notional amount of price risk derivatives for instruments with notional amounts expressed in percentage of estimated annual domestic (U.S.) usage

+ References

No definition available.

+ Details

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- Definition

Aggregate notional amount of price risk derivatives for instruments with notional amounts expressed in percentage of annual estimated usage in production

+ References

No definition available.

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994

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- 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
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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- References

No definition available.

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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

Nominal mass used to calculate payments on a derivative instrument.

+ References

No definition available.

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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
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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- Definition

Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e640-108580

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Derivative Financial Instruments and Hedging - Narrative (Details) € in Millions, lb in Millions, $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) lb	Dec. 31, 2017 USD ($)	Dec. 31, 2015 EUR (€)	Dec. 31, 2019 EUR (€)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Percentage of estimated annual nickel requirements		7.00%
Derivative [Line Items]
Tax expense for the recognition of a stranded deferred tax balance arising from deferred tax valuation allowances that was associated with a cash flow hedge portfolio	$ 6.0
Pre-tax cash flow hedge gain (loss) to be reclassified within twelve months		$ (0.9)
Nickel [Member]
Derivative [Line Items]
Derivative notional amount (in pounds of nickel) \| lb		7
Cash Flow Hedging [Member] \| Natural gas contracts [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Percentage of forecasted natural gas usage hedged for 2021		50.00%
Percentage Of Forecasted Natural Gas Usage Hedged for 2020		70.00%
Cash Flow Hedging [Member] \| Foreign Exchange Forward [Member] \| Designated as Hedging Instrument [Member] \| Maturity Dates Through 2020 [Member]
Derivative [Line Items]
Derivative notional amount \| €					€ 2.0
Fair Value Hedging [Member] \| Foreign Exchange Forward [Member] \| Designated as Hedging Instrument [Member] \| Maturity Dates Through 2017 [Member]
Derivative [Line Items]
Notional amount of derivatives entered during period \| €				€ 244.7
Cost of Sales [Member] \| Fair Value Hedging [Member] \| Foreign Exchange Forward [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Gain (loss) on derivatives			$ 2.7
Term Loan due 2024
Derivative [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.21%	4.21%			4.21%
Term Loan due 2024 \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative notional amount	$ 50.0	$ 50.0