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Derivatives (Tables)
9 Months Ended
Sep. 30, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Amounts related to cash flow hedges We recorded the following amounts in AOCL related to our cash flow hedges (in millions):
As of September 30, 2020As of December 31, 2019
Unrealized (gains) losses on unsettled contracts$(2.0)$0.2 
Income tax expense (benefit)0.3 (0.2)
(Gains) included in AOCL, net of tax (1)
$(1.7)$— 
(1) Assuming commodity prices and foreign currency exchange rates remain constant, we expect to reclassify $1.2 million of derivative gains into earnings within the next 12 months.