Derivative, Nonmonetary Notional Amount, Percent Of Required Need Coverage, Year One

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- Definition

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

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- Definition

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

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- Definition

Fair value amount of debt instrument that was repurchased.

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- Definition

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

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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.

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No definition available.

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- Definition

Nominal energy measure used to calculate payments on a derivative instrument.

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No definition available.

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- Definition

Nominal mass used to calculate payments on a derivative instrument.

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- Definition

The percentage of expected requirements covered by the aggregate notional amount of derivative contracts expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract as a percentage of expected need.

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No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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- Definition

Fair value as of the balance sheet date of all foreign currency derivatives designated as cash flow hedging instruments.

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- Definition

The amount of net gains or losses on foreign currency cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

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

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- Definition

Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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- Definition

Net fair value of all derivative instruments not designated as a hedging instrument.

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- Definition

Fair value as of the balance sheet date of all price risk derivatives designated as cash flow hedging instruments.

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The estimated net amount of unrealized gains or losses on price risk cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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- Definition

The cash inflow provided by derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

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Financial Instruments and Derivatives - Additional Information (Details) MMBTU in Millions			1 Months Ended	9 Months Ended
	May 21, 2021 USD ($)	May 13, 2021 USD ($)	Mar. 31, 2020 USD ($)	Oct. 03, 2021 USD ($) MMBTU T	Sep. 27, 2020 USD ($)	May 25, 2021 EUR (€)	Apr. 28, 2021 USD ($)	Apr. 07, 2021 EUR (€)	Dec. 31, 2020 USD ($)	Jan. 31, 2020 USD ($)
Derivative [Line Items]
Proceeds from foreign exchange forward contracts and interest rate swaps				$ 4,387,000	$ 14,480,000
Total fair value of other derivatives not designated as hedging instruments				$ 3,117,000					$ 599,000
1.0% Euro loan due May 2021
Derivative [Line Items]
Interest rate (percent)				1.00%		1.00%
Debt principal \| €						€ 150,000,000
5.75% debentures due November 2040
Derivative [Line Items]
Interest rate (percent)				5.75%			5.75%
Amount offered to be repurchased							$ 300,000,000
Cash Flow Hedging \| Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Fair value of commodity cash flow hedges, gain (loss)				$ 7,530,000					(647,000)
Commodity gain (loss) expected to be reclassified to the income statement during the next 12 months				4,690,000
Fair value of foreign currency cash flow hedges, gain (loss)				131,000					555,000
Foreign currency gain (loss) expected to be reclassified to the income statement during the next 12 months				$ 131,000
Natural Gas Swaps
Derivative [Line Items]
Approximate amount of commodity covered by swap contracts outstanding (in MMBTUs) \| MMBTU				4.5
Anticipated usage percentage covered by a swap contract for the current fiscal year (percent)				66.00%
Anticipated usage percentage covered by a swap contract for the next fiscal year (percent)				42.00%
Natural Gas Swaps \| Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Approximate amount of commodity covered by swap contracts outstanding (in MMBTUs) \| MMBTU				1.6
Anticipated usage percentage covered by a swap contract for the next fiscal year (percent)				21.00%
Natural Gas Swaps \| Cash Flow Hedging \| Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Approximate amount of commodity covered by swap contracts outstanding (in MMBTUs) \| MMBTU				2.9
Anticipated usage percentage covered by a swap contract for the current fiscal year (percent)				66.00%
Anticipated usage percentage covered by a swap contract for the next fiscal year (percent)				21.00%
Aluminum Swaps \| Cash Flow Hedging \| Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Anticipated usage percentage covered by a swap contract for the current fiscal year (percent)				53.00%
Approximate amount of commodity covered by swap contracts outstanding (in tons) \| T				904
Forward contracts \| Cash Flow Hedging \| Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Fair value of foreign currency cash flow hedges, gain (loss)				$ (525,000)					$ 47,000
Foreign currency gain (loss) expected to be reclassified to the income statement during the next 12 months				(522,000)
Foreign currency gain (loss) reclassified to the income statement				$ 42,000
Cross-currency swap
Derivative [Line Items]
Notional amount \| €								€ 150,000,000
Gain (loss) on derivative	$ 4,387,000
Cross-currency swap \| Net Investment Hedge \| Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Notional amount										$ 250,000,000
Proceeds from foreign exchange forward contracts and interest rate swaps			$ 14,480,000
Tax provision on foreign currency translation gain			$ 7,581,000
Reverse Treasury Lock Contract
Derivative [Line Items]
Notional amount							$ 100,000,000
Gain (loss) on derivative		$ (1,356,000)