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Derivative Instruments - Balance Sheet Location (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019
Derivatives, Fair Value
Debt Instrument, Interest Rate, Effective Percentage			5.10%
Derivative, Net Hedge Ineffectiveness Gain (Loss)	$ 1,200,000
Not Designated as Hedging Instrument
Derivatives, Fair Value
Derivative asset fair value	90,000	$ 615,000
Derivative liability fair value	585,000	81,000
Commodity derivative contracts \| Not Designated as Hedging Instrument \| Prepaid and other current assets
Derivatives, Fair Value
Derivative asset fair value	0	376,000
Commodity derivative contracts \| Not Designated as Hedging Instrument \| Other current liabilities
Derivatives, Fair Value
Derivative liability fair value	450,000	0
Interest rate swap contract
Derivatives, Fair Value
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent	16,700,000
Foreign currency derivatives \| Not Designated as Hedging Instrument \| Prepaid and other current assets
Derivatives, Fair Value
Derivative asset fair value	90,000	239,000
Foreign currency derivatives \| Not Designated as Hedging Instrument \| Other current liabilities
Derivatives, Fair Value
Derivative liability fair value	135,000	81,000
Cash Flow Hedging \| Commodity derivative contracts \| Designated as Hedging Instrument
Derivatives, Fair Value
Derivative asset fair value	0	3,410,000
Derivative liability fair value	47,532,000	4,199,000
Cash Flow Hedging \| Commodity derivative contracts \| Designated as Hedging Instrument \| Prepaid and other current assets
Derivatives, Fair Value
Derivative asset fair value	0	104,000
Cash Flow Hedging \| Commodity derivative contracts \| Designated as Hedging Instrument \| Other accrued liabilities
Derivatives, Fair Value
Derivative liability fair value	18,002,000	1,872,000
Cash Flow Hedging \| Commodity derivative contracts \| Designated as Hedging Instrument \| Other long-term assets
Derivatives, Fair Value
Derivative asset fair value	0	369,000
Cash Flow Hedging \| Commodity derivative contracts \| Designated as Hedging Instrument \| Other long-term obligations
Derivatives, Fair Value
Derivative liability fair value	15,739,000	2,255,000
Cash Flow Hedging \| Interest rate swap contract \| Designated as Hedging Instrument \| Prepaid and other current assets
Derivatives, Fair Value
Derivative asset fair value	0	253,000
Cash Flow Hedging \| Interest rate swap contract \| Designated as Hedging Instrument \| Other accrued liabilities
Derivatives, Fair Value
Derivative liability fair value	5,869,000	0
Cash Flow Hedging \| Interest rate swap contract \| Designated as Hedging Instrument \| Other long-term assets
Derivatives, Fair Value
Derivative asset fair value	0	2,684,000
Cash Flow Hedging \| Interest rate swap contract \| Designated as Hedging Instrument \| Other long-term obligations
Derivatives, Fair Value
Derivative liability fair value	$ 7,922,000	$ 72,000
Scenario, Plan [Member]
Derivatives, Fair Value
Debt Instrument, Interest Rate, Effective Percentage			4.85%