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Derivative Instruments (Narrative) (Details) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($)
Derivative |  |  |  |
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value, Net | $ 4,300,000 |  | $ 5,500,000 |
Loss on ineffective hedge | (1,200,000) |  |  |
Amount of derivaitve cash flow hedge to be repcognized in the next 12 months | $ 500,000 | $ 8,400,000 |  |
Interest rate swap contract |  |  |  |
Derivative |  |  |  |
Derivative, notional amount |  |  |  | 500,000,000
Interest rate swap contract 2 |  |  |  |
Derivative |  |  |  |
Derivative, notional amount |  |  |  | 500,000,000
Foreign currency derivatives |  |  |  |
Derivative |  |  |  |
Derivative, notional amount | 39,800,000 |  | 78,800,000 |
Commodity derivative contracts |  |  |  |
Derivative |  |  |  |
Derivative, notional amount | 85,700,000 |  | 99,500,000 |
Unrealized (loss) gain in other comprehensive income | $ 33,700,000 | $ 3,700,000 |  |

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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 + Details
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