Derivative Financial Instruments - Fair Values of Derivative Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value		$ 4,772
Derivative Liabilities, Fair Value	$ (19,599)	(8,600)
Derivatives Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	(18,400)	(8,600)
Derivatives Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	(1,199)
Derivatives Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value		4,672
Commodity Contracts [Member] | Derivatives Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value		100
Commodity Contracts [Member] | Derivatives Designated as Hedging Instrument [Member] | Accrued Expenses and Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	(7,200)
Commodity Contracts [Member] | Derivatives Designated as Hedging Instrument [Member] | Deferred Credits and Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	(11,200)	(8,600)
Commodity Contracts [Member] | Derivatives Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value		2,617
Commodity Contracts [Member] | Derivatives Not Designated as Hedging Instrument [Member] | Accrued Expenses and Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	(1,118)
Foreign Exchange Contracts [Member] | Derivatives Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value		$ 2,055
Foreign Exchange Contracts [Member] | Derivatives Not Designated as Hedging Instrument [Member] | Accrued Expenses and Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	$ (81)