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Derivative Instruments (Narrative) (Details)	3 Months Ended			9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Derivative
Debt Instrument, Interest Rate, Effective Percentage		5.10%			5.10%
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value, Net						$ 5,500,000
Derivative, Net Hedge Ineffectiveness Gain (Loss)	$ 0	$ (700,000)		$ 1,200,000	$ (500,000)
Amount of derivaitve cash flow hedge to be repcognized in the next 12 months				$ 8,000,000.0	$ 7,300,000
Foreign currency derivatives
Derivative
Derivative, notional amount	63,500,000			63,500,000		78,800,000
Commodity derivative contracts
Derivative
Derivative, notional amount	67,200,000			67,200,000		99,500,000
Unrealized (loss) gain in other comprehensive income			$ 3,700,000	$ 8,900,000
Interest rate swap contract
Derivative
Derivative, notional amount		500,000,000			500,000,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent				$ 16,200,000
Interest rate swap contract 2
Derivative
Derivative, notional amount		500,000,000			500,000,000
Scenario, Plan
Derivative
Debt Instrument, Interest Rate, Effective Percentage		4.85%			4.85%

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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.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Amount of gain (loss) from the ineffectiveness of the hedge.

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Net fair value of all derivatives designated as hedges of net investment in foreign operations.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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