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Derivative Instruments and Hedging Activities (Tables)
6 Months Ended
Jun. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Net Unrealized Gain (Loss) Recognized in OCI and Gain (Loss) Reclassified into Earnings
The following tables present the pre-tax effect on other comprehensive income (“OCI”) and earnings due to fair value adjustments and maturities of hedging instruments under hedge accounting:
Net Unrealized Loss
Recognized in OCI
Gain (Loss) Reclassified
into Earnings
Derivatives Designated as Cash Flow Hedging InstrumentsThree Months Ended June 30,Income Statement LocationThree Months Ended June 30,
2024202320242023
(In thousands)(In thousands)
Commodity contracts$(456)$(271)Sales and other revenues$(305)$271 
Total$(456)$(271)$(305)$271 

Net Unrealized Loss
Recognized in OCI
Gain (Loss) Reclassified
into Earnings
Derivatives Designated as Cash Flow Hedging InstrumentsSix Months Ended June 30,Income Statement LocationSix Months Ended June 30,
2024202320242023
(In thousands)(In thousands)
Commodity contracts$(456)$— Sales and other revenues$(4,592)$270 
Total$(456)$— $(4,592)$270 
Schedule of Gain (Loss) Recognized in Earnings
The following table presents the pre-tax effect on income due to maturities and fair value adjustments of our economic hedges:
Gain (Loss) Recognized in Earnings
Derivatives Not Designated as Hedging InstrumentsIncome Statement LocationThree Months Ended June 30,Six Months Ended June 30,
2024202320242023
(In thousands)
Commodity contractsCost of materials and other$1,538 $13,154 $(19,127)$19,902 
Operating expenses(1,665)3,648 (1,878)(10,410)
Interest expense(3,993)2,514 (1,230)4,920 
Foreign currency contractsGain (loss) on foreign currency transactions3,540 (8,716)13,671 (8,602)
Total$(580)$10,600 $(8,564)$5,810 
Schedule of Notional Amounts of Outstanding Derivatives Serving as Economic Hedges
As of June 30, 2024, we have the following notional contract volumes related to outstanding derivative instruments:
Notional Contract Volumes
by Year of Maturity
Total Outstanding Notional20242025Unit of Measure
Derivatives Designated as Hedging Instruments
Forward diesel contracts - short125,000 125,000 — Barrels
Derivatives Not Designated as Hedging Instruments
NYMEX futures (WTI) - short1,790,0001,790,000Barrels
Forward gasoline and diesel contracts - long150,000150,000Barrels
Foreign currency forward contracts385,904,193177,833,367208,070,826U.S. dollar
Forward commodity contracts (platinum)34,6282,04732,581Troy ounces
Natural gas price swaps (basis spread) - long2,208,0002,208,000MMBTU
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value
The following tables present the fair value and balance sheet locations of our outstanding derivative instruments. These amounts are presented on a gross basis with offsetting balances that reconcile to a net asset or liability position in our consolidated balance sheets. We present on a net basis to reflect the net settlement of these positions in accordance with provisions of our master netting arrangements.

Derivatives in Net Asset PositionDerivatives in Net Liability Position
Gross AssetsGross Liabilities Offset in Balance SheetNet Assets Recognized in Balance SheetGross LiabilitiesGross Assets Offset in Balance SheetNet Liabilities Recognized in Balance Sheet
 (In thousands)
June 30, 2024
Derivatives designated as cash flow hedging instruments:
Commodity forward contracts
$— $— $— $210 $— $210 
$— $— $— $210 $— $210 
Derivatives not designated as cash flow hedging instruments:
NYMEX futures contracts
$— $— $— $4,674 $— $4,674 
Commodity price swap contracts
— — — 1,495 — 1,495 
Commodity forward contracts
574 — 574 528 — 528 
Foreign currency forward contracts
4,169 (908)3,261 51 — 51 
$4,743 $(908)$3,835 $6,748 $— $6,748 
Total net balance$3,835 $6,958 
Balance sheet classification:Prepayment and other$3,835 Accrued liabilities$6,958 
Derivatives in Net Asset PositionDerivatives in Net Liability Position
Gross AssetsGross Liabilities Offset in Balance SheetNet Assets Recognized in Balance SheetGross LiabilitiesGross Assets Offset in Balance SheetNet Liabilities Recognized in Balance Sheet
 (In thousands)
December 31, 2023
Derivatives not designated as cash flow hedging instruments:
NYMEX futures contracts
$836 $— $836 $— $— $— 
Commodity price swap contracts
— — — 7,808 — 7,808 
Commodity forward contracts
2,908 — 2,908 1,848 — 1,848 
Foreign currency forward contracts
— — — 7,893 — 7,893 
$3,744 $— $3,744 $17,549 $— $17,549 
Total net balance$3,744 $17,549 
Balance sheet classification:Prepayment and other$3,744 Accrued liabilities$17,549