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Derivatives (Tables)
3 Months Ended
Mar. 31, 2021
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 March 31, 2021As of December 31, 2020
Unrealized gains on unsettled contracts$(15.7)$(10.5)
Income tax expense 3.4 2.3 
Gains included in AOCL, net of tax (1)
$(12.3)$(8.2)
(1) Assuming commodity prices and foreign currency exchange rates remain constant, we expect to reclassify $11.5 million of derivative gains into earnings within the next 12 months.