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Derivative Financial Instruments and Hedging Activities | 12 Months Ended
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Aug. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivative Financial Instruments and Hedging Activities | The following tables present the gross fair values of derivative assets, derivative liabilities and margin deposits (cash collateral) recorded on our Consolidated Balance Sheets, along with related amounts permitted to be offset in accordance with U.S. GAAP. Although we have certain netting arrangements for our exchange-traded futures and options contracts and certain over-the-counter ("OTC") contracts, we have elected to report our derivative instruments on a gross basis on our Consolidated Balance Sheets under ASC Topic 210-20, Balance Sheet - Offsetting.
| August 31, 2020
|  |  | Amounts Not Offset on the Consolidated Balance Sheet but Eligible for Offsetting |  |
| Gross Amounts Recognized |  | Cash Collateral |  | Derivative Instruments |  | Net Amounts
| (Dollars in thousands)
Derivative Assets |  |  |  |  |  |  |
Commodity derivatives | $ | 327,493 |  |  | $ | — |  |  | $ | 2,980 |  |  | $ | 324,513 |
Foreign exchange derivatives | 11,809 |  |  | — |  |  | 9,385 |  |  | 2,424 |
Embedded derivative asset | 18,998 |  |  | — |  |  | — |  |  | 18,998 |
Total | $ | 358,300 |  |  | $ | — |  |  | $ | 12,365 |  |  | $ | 345,935 |
Derivative Liabilities |  |  |  |  |  |  |
Commodity derivatives | $ | 343,343 |  |  | $ | 956 |  |  | $ | 5,578 |  |  | $ | 336,809 |
Foreign exchange derivatives | 69,466 |  |  | — |  |  | 9,385 |  |  | 60,081 |
Total | $ | 412,809 |  |  | $ | 956 |  |  | $ | 14,963 |  |  | $ | 396,890 |
| August 31, 2019
|  |  | Amounts Not Offset on the Consolidated Balance Sheet but Eligible for Offsetting |  |
| Gross Amounts Recognized |  | Cash Collateral |  | Derivative Instruments |  | Net Amounts
| (Dollars in thousands)
Derivative Assets |  |  |  |  |  |  |
Commodity derivatives | $ | 215,030 |  |  | $ | — |  |  | $ | 58,726 |  |  | $ | 156,304 |
Foreign exchange derivatives | 10,334 |  |  | — |  |  | 7,108 |  |  | 3,226 |
Embedded derivative asset | 21,364 |  |  | — |  |  | — |  |  | 21,364 |
Total | $ | 246,728 |  |  | $ | — |  |  | $ | 65,834 |  |  | $ | 180,894 |
Derivative Liabilities |  |  |  |  |  |  |
Commodity derivatives | $ | 223,410 |  |  | $ | 4,191 |  |  | $ | 41,647 |  |  | $ | 177,572 |
Foreign exchange derivatives | 20,609 |  |  | — |  |  | 7,108 |  |  | 13,501 |
Total | $ | 244,019 |  |  | $ | 4,191 |  |  | $ | 48,755 |  |  | $ | 191,073 |
Derivative assets and liabilities with maturities of less than 12 months are recorded in other current assets and other current liabilities, respectively, on the Consolidated Balance Sheets. Derivative assets and liabilities with maturities greater than 12 months are recorded in other assets and other liabilities, respectively, on the Consolidated Balance Sheets. The amount of long-term derivative assets, excluding derivatives accounted for as fair value hedges, recorded on the Consolidated Balance Sheet at August 31, 2020 and 2019, was $21.2 million and $26.6 million, respectively. The amount of long-term derivative liabilities, excluding derivatives accounted for as fair value hedges, recorded on the Consolidated Balance Sheet at August 31, 2020 and 2019, was $5.4 million and $7.4 million, respectively. Derivatives Not Designated as Hedging Instruments The majority of our derivative instruments have not been designated as hedging instruments. The following table sets forth the pretax gains (losses) on derivatives not accounted for as hedging instruments that have been included in our Consolidated Statements of Operations for the years ended August 31, 2020, 2019 and 2018.
Derivative Type | Location of Gain (Loss) |  | 2020 |  | 2019 |  | 2018
|  |  | (Dollars in thousands)
Commodity derivatives | Cost of goods sold |  | $ | 89,248 |  |  | $ | 125,323 |  |  | $ | 162,321 |
Foreign exchange derivatives | Cost of goods sold |  | (184,692) |  |  | 4,228 |  |  | (26,010) |
Foreign exchange derivatives | Marketing, general and administrative expenses |  | (2,986) |  |  | (1,229) |  |  | 596 |
Interest rate derivatives | Interest expense |  | (1,226) |  |  | — |  |  | (1) |
Embedded derivative | Other income |  | 2,634 |  |  | 2,769 |  |  | 3,061 |
Total |  |  | $ | (97,022) |  |  | $ | 131,091 |  |  | $ | 139,967 |
Commodity Contracts When we enter a commodity purchase or sales commitment, we are exposed to risks related to price changes and performance, including delivery, quality, quantity and shipment period. If market prices decrease, we are exposed to risk of loss in the market value of inventory and purchase contracts with a fixed or partially fixed price. Conversely, we are exposed to risk of loss on our fixed or partially fixed price sales contracts if market prices increase. Our use of hedging reduces exposure to price volatility by protecting against adverse short-term price movements, but also limits the benefits of favorable short-term price movements. To reduce price risk associated with fixed price commitments, we generally enter into commodity derivative contracts, to the extent practical, to achieve a net commodity position within the formal position limits we have established and deemed prudent for each commodity. These contracts are primarily transacted on regulated commodity futures exchanges, but may also include over-the-counter derivative instruments when deemed appropriate. For commodities where there is no liquid derivative contract, risk is managed using forward sales contracts, other pricing arrangements and, to some extent, futures contracts in highly correlated commodities. These contracts are economic hedges of price risk, but are not designated as hedging instruments for accounting purposes. The contracts are recorded on our Consolidated Balance Sheets at fair values based on quotes listed on regulated commodity exchanges or the market prices of the underlying products listed on the exchanges, except that fertilizer and certain propane contracts are accounted for as normal purchase and normal sales transactions. Unrealized gains and losses on these contracts are recognized in cost of goods sold in our Consolidated Statements of Operations. When a futures position is established, initial margin must be deposited with the applicable exchange or broker. The amount of margin required varies by commodity and is set by the applicable exchange at its sole discretion. If the market price relative to a short futures position increases, an additional margin deposit would be required. Similarly, a margin deposit would be required if the market price relative to a long futures position decreases. Conversely, if the market price increases relative to a long futures position or decreases relative to a short futures position, margin deposits may be returned by the applicable exchange or broker. Our policy is to manage our commodity price risk exposure according to internal policies and in alignment with our tolerance for risk. Our profitability from operations is primarily derived from margins on products sold and grain merchandised, not from hedging transactions. At any one time, inventory and purchase contracts for delivery to us may be substantial. We have risk management policies that include established net position limits. These limits are defined for each commodity and business unit and may include both trader and management limits as appropriate. The limits policy is managed within each individual business unit to ensure any limits overage is explained and exposures reduced, or a temporary limit increase is established if needed. The position limits are reviewed at least annually with our senior leadership and Board of Directors. We monitor current market conditions and may expand or reduce our net position limits in response to changes in those conditions. In addition, all purchase and sales contracts are subject to credit approvals and appropriate terms and conditions. The use of hedging instruments does not protect against nonperformance by counterparties to cash contracts. We evaluate counterparty exposure by reviewing contracts and adjusting the values to reflect potential nonperformance. Risk of nonperformance by counterparties includes inability to perform because of a counterparty's financial condition and the risk that the counterparty will refuse to perform on a contract during periods of price fluctuations where contract prices are significantly different than the current market prices. We manage these risks by entering into fixed price purchase and sales contracts with preapproved producers and by establishing appropriate limits for individual suppliers. Fixed price contracts are entered into with customers of acceptable creditworthiness, as internally evaluated. Regarding our use of derivatives, we primarily transact in exchange traded instruments or enter into over-the-counter derivatives that clear through a designated clearing organization, which limits our counterparty exposure relative to hedging activities. Historically, we have not experienced significant events of nonperformance on open contracts. Accordingly, we only adjust the estimated fair values of specifically identified contracts for nonperformance. Although we have established policies and procedures, we make no assurances that historical nonperformance experience will carry forward to future periods. As of August 31, 2020 and 2019, we had outstanding commodity futures and options contracts that were used as economic hedges, as well as fixed-price forward contracts related to physical purchases and sales of commodities. The table below presents the notional volumes for all outstanding commodity contracts.
|  | 2020 |  | 2019
Derivative Type |  | Long |  | Short |  | Long |  | Short
|  | (Units in thousands)
Grain and oilseed (bushels) |  | 664,673 |  |  | 892,303 |  |  | 547,096 |  | 717,522
Energy products (barrels) |  | 10,028 |  |  | 6,570 |  |  | 13,895 |  | 4,663
Processed grain and oilseed (tons) |  | 657 |  |  | 3,304 |  |  | 597 |  | 2,454
Crop nutrients (tons) |  | 74 |  |  | 127 |  |  | 76 |  | 23
Ocean freight (metric tons) |  | 1,140 |  |  | 95 |  |  | 295 |  | 85
Natural gas (MMBtu) |  | — |  |  | — |  |  | 130 |  |  | — |
Foreign Exchange Contracts We conduct a substantial portion of our business in U.S. dollars, but we are exposed to risks relating to foreign currency fluctuations primarily due to global grain marketing transactions in South America, the Asia Pacific region and Europe, and purchases of products from Canada. We use foreign currency derivative instruments to mitigate the impact of exchange rate fluctuations. Although CHS has some risk exposure relating to foreign currency transactions, a larger impact with exchange rate fluctuations is the ability of foreign buyers to purchase U.S. agricultural products and the competitiveness of U.S. agricultural products compared to the same products offered by alternative sources of world supply. The notional amounts of our foreign exchange derivative contracts were $1.2 billion and $894.7 million as of August 31, 2020 and 2019, respectively. Embedded Derivative Asset Under the terms of our strategic investment in CF Nitrogen, if the CF Industries credit rating is reduced below certain levels by two of three specified credit ratings agencies, we are entitled to receive a nonrefundable annual payment of $5.0 million from CF Industries. These payments will continue on an annual basis until the date the CF Industries credit rating is upgraded to or above certain levels by two of the three specified credit ratings agencies or February 1, 2026, whichever is earlier. Since the CF Industries credit rating was reduced below the specified levels during fiscal 2017, we have received an annual payment of $5.0 million from CF Industries. Gains totaling $2.6 million, $2.8 million and $3.1 million were recognized in other income in our Consolidated Statements of Operations during fiscal 2020, fiscal 2019 and fiscal 2018, respectively. The fair value of the embedded derivative asset recorded on our Consolidated Balance Sheet as of August 31, 2020, was equal to $19.0 million. The current and long-term portions of the embedded derivative asset are included in other current assets and other assets on our Consolidated Balance Sheet, respectively. See Note 16, Fair Value Measurements, for additional information regarding the valuation of the embedded derivative asset. Derivatives Designated as Cash Flow or Fair Value Hedging Strategies Fair Value Hedges During the year ended August 31, 2020, we exited all our interest rate swaps resulting in a $16.4 million gain, which is being amortized over the life of the fixed-rate debt for which the swaps had previously been designated as fair value hedges, through fiscal 2025. As of August 31, 2019, we had outstanding interest rate swaps with an aggregate notional amount of $365.0 million designated as fair value hedges of portions of our fixed-rate debt. Our objective in entering into these transactions was to offset changes in the fair value of the debt associated with the risk of variability in the three-month U.S. dollar LIBOR interest rate, in essence converting the fixed-rate debt to variable-rate debt. Under these interest rate swaps, we received fixed-rate interest payments and made interest payments based on the three-month LIBOR. Offsetting changes in the fair values of both the swap instruments and the hedged debt were recorded contemporaneously each period and only created an impact to earnings to the extent the hedge was ineffective. The following table presents the fair value of our derivative interest rate swap instruments designated as fair value hedges and the line items on our Consolidated Balance Sheets in which they are recorded as of August 31, 2020 and 2019.
|  | 2020 |  | 2019 |  |  |  |  |  |
Balance Sheet Location |  | Derivative Assets |  |  |  |
|  | (Dollars in thousands) |  |  |  |
Other assets |  | $ | — |  |  | $ | 9,841 |  |  |  |  |  |  |
The following table sets forth the pretax gains (losses) on derivatives accounted for as hedging instruments that have been included in our Consolidated Statements of Operations for the years ended August 31, 2020, 2019 and 2018.
Gain (Loss) on Fair Value Hedging Relationships |  | Location of Gain (Loss) |  | 2020 |  | 2019 |  | 2018
|  |  |  | (Dollars in thousands)
Interest rate swaps |  | Interest expense |  | $ | (1,897) |  |  | $ | 21,158 |  |  | $ | 18,723 |
Hedged item |  | Interest expense |  | 1,897 |  |  | (21,158) |  |  | (18,723) |
Total |  | $ | — |  |  | $ | — |  |  | $ | — |
The following table provides the location and carrying amount of hedged liabilities in our Consolidated Balance Sheets as of August 31, 2020 and 2019.
|  | August 31, 2020 |  | August 31, 2019
Balance Sheet Location |  | Carrying Amount of Hedged Liabilities |  | Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of Hedged Liabilities |  | Carrying Amount of Hedged Liabilities |  | Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of Hedged Liabilities
|  | (Dollars in thousands)
Long-term debt |  | $ | — |  |  | $ | — |  |  | $ | 334,389 |  |  | $ | 30,611 |
Cash Flow Hedges In fiscal 2018, our Energy segment began designating certain of its pay-fixed, receive-variable, cash-settled swaps as cash flow hedges of future crude oil purchases. We also began designating certain pay-variable, receive-fixed, cash-settled swaps as cash flow hedges of future refined product sales. These hedging instruments and the related hedged items are exposed to significant market price risk and potential volatility. As part of our risk management strategy, we look to hedge a portion of our expected future crude oil needs and the resulting refined product output based on prevailing futures prices, management's expectations about future commodity price changes and our risk appetite. As of August 31, 2020 and 2019, the aggregate notional amount of cash flow hedges was 9.7 million and 7.7 million barrels, respectively. The following table presents the fair value of our commodity derivative instruments designated as cash flow hedges and the line items on our Consolidated Balance Sheets in which they are recorded as of August 31, 2020 and 2019.
|  | Derivative Assets |  |  |  | Derivative Liabilities
Balance Sheet Location |  | 2020 |  | 2019 |  | Balance Sheet Location |  | 2020 |  | 2019
|  | (Dollars in thousands) |  |  |  | (Dollars in thousands)
Other current assets |  | $ | 34,052 |  |  | $ | 33,179 |  |  | Other current liabilities |  | $ | 8,821 |  |  | $ | 5,351 |
The following table presents the pretax gains (losses) recorded in other comprehensive income relating to cash flow hedges for the years ended August 31, 2020, 2019 and 2018:
|  | 2020 |  | 2019 |  | 2018
|  | (Dollars in thousands)
Commodity derivatives |  | $ | (2,596) |  |  | $ | 27,650 |  |  | $ | 178 |
The following table presents the pretax gains (losses) relating to cash flow hedges that were reclassified from accumulated other comprehensive loss into our Consolidated Statements of Operations for the years ended August 31, 2020, 2019 and 2018:
| Location of Gain (Loss) |  | 2020 |  | 2019 |  | 2018
|  |  | (Dollars in thousands)
Commodity derivatives | Cost of goods sold |  | $ | 23,807 |  |  | $ | 11,497 |  |  | $ | — |
Derivatives and Fair Value | Note 15 Derivative Financial Instruments and Hedging Activities We enter into various derivative instruments to manage our exposure to movements primarily associated with agricultural and energy commodity prices and, to a lesser degree, foreign currency exchange rates and interest rates. Except for certain interest rate swaps and certain pay-fixed, receive-variable, cash-settled swaps related to future crude oil purchases, which are accounted for as fair value hedges and cash flow hedges, respectively, our derivative instruments represent economic hedges of price risk for which hedge accounting under ASC Topic 815 is not applied. Rather, the derivative instruments are recorded on our Consolidated Balance Sheets at fair value with changes in fair value being recorded directly to earnings, primarily within cost of goods sold in our Consolidated Statements of Operations. See Note 16, Fair Value Measurements, for additional information. The majority of our exchange traded agricultural commodity futures are settled daily through CHS Hedging, our wholly-owned futures commission merchant. The following tables present the gross fair values of derivative assets, derivative liabilities and margin deposits (cash collateral) recorded on our Consolidated Balance Sheets, along with related amounts permitted to be offset in accordance with U.S. GAAP. Although we have certain netting arrangements for our exchange-traded futures and options contracts and certain over-the-counter ("OTC") contracts, we have elected to report our derivative instruments on a gross basis on our Consolidated Balance Sheets under ASC Topic 210-20, Balance Sheet - Offsetting.
| August 31, 2020
|  |  | Amounts Not Offset on the Consolidated Balance Sheet but Eligible for Offsetting |  |
| Gross Amounts Recognized |  | Cash Collateral |  | Derivative Instruments |  | Net Amounts
| (Dollars in thousands)
Derivative Assets |  |  |  |  |  |  |
Commodity derivatives | $ | 327,493 |  |  | $ | — |  |  | $ | 2,980 |  |  | $ | 324,513 |
Foreign exchange derivatives | 11,809 |  |  | — |  |  | 9,385 |  |  | 2,424 |
Embedded derivative asset | 18,998 |  |  | — |  |  | — |  |  | 18,998 |
Total | $ | 358,300 |  |  | $ | — |  |  | $ | 12,365 |  |  | $ | 345,935 |
Derivative Liabilities |  |  |  |  |  |  |
Commodity derivatives | $ | 343,343 |  |  | $ | 956 |  |  | $ | 5,578 |  |  | $ | 336,809 |
Foreign exchange derivatives | 69,466 |  |  | — |  |  | 9,385 |  |  | 60,081 |
Total | $ | 412,809 |  |  | $ | 956 |  |  | $ | 14,963 |  |  | $ | 396,890 |
| August 31, 2019
|  |  | Amounts Not Offset on the Consolidated Balance Sheet but Eligible for Offsetting |  |
| Gross Amounts Recognized |  | Cash Collateral |  | Derivative Instruments |  | Net Amounts
| (Dollars in thousands)
Derivative Assets |  |  |  |  |  |  |
Commodity derivatives | $ | 215,030 |  |  | $ | — |  |  | $ | 58,726 |  |  | $ | 156,304 |
Foreign exchange derivatives | 10,334 |  |  | — |  |  | 7,108 |  |  | 3,226 |
Embedded derivative asset | 21,364 |  |  | — |  |  | — |  |  | 21,364 |
Total | $ | 246,728 |  |  | $ | — |  |  | $ | 65,834 |  |  | $ | 180,894 |
Derivative Liabilities |  |  |  |  |  |  |
Commodity derivatives | $ | 223,410 |  |  | $ | 4,191 |  |  | $ | 41,647 |  |  | $ | 177,572 |
Foreign exchange derivatives | 20,609 |  |  | — |  |  | 7,108 |  |  | 13,501 |
Total | $ | 244,019 |  |  | $ | 4,191 |  |  | $ | 48,755 |  |  | $ | 191,073 |
Derivative assets and liabilities with maturities of less than 12 months are recorded in other current assets and other current liabilities, respectively, on the Consolidated Balance Sheets. Derivative assets and liabilities with maturities greater than 12 months are recorded in other assets and other liabilities, respectively, on the Consolidated Balance Sheets. The amount of long-term derivative assets, excluding derivatives accounted for as fair value hedges, recorded on the Consolidated Balance Sheet at August 31, 2020 and 2019, was $21.2 million and $26.6 million, respectively. The amount of long-term derivative liabilities, excluding derivatives accounted for as fair value hedges, recorded on the Consolidated Balance Sheet at August 31, 2020 and 2019, was $5.4 million and $7.4 million, respectively. Derivatives Not Designated as Hedging Instruments The majority of our derivative instruments have not been designated as hedging instruments. The following table sets forth the pretax gains (losses) on derivatives not accounted for as hedging instruments that have been included in our Consolidated Statements of Operations for the years ended August 31, 2020, 2019 and 2018.
Derivative Type | Location of Gain (Loss) |  | 2020 |  | 2019 |  | 2018
|  |  | (Dollars in thousands)
Commodity derivatives | Cost of goods sold |  | $ | 89,248 |  |  | $ | 125,323 |  |  | $ | 162,321 |
Foreign exchange derivatives | Cost of goods sold |  | (184,692) |  |  | 4,228 |  |  | (26,010) |
Foreign exchange derivatives | Marketing, general and administrative expenses |  | (2,986) |  |  | (1,229) |  |  | 596 |
Interest rate derivatives | Interest expense |  | (1,226) |  |  | — |  |  | (1) |
Embedded derivative | Other income |  | 2,634 |  |  | 2,769 |  |  | 3,061 |
Total |  |  | $ | (97,022) |  |  | $ | 131,091 |  |  | $ | 139,967 |
Commodity Contracts When we enter a commodity purchase or sales commitment, we are exposed to risks related to price changes and performance, including delivery, quality, quantity and shipment period. If market prices decrease, we are exposed to risk of loss in the market value of inventory and purchase contracts with a fixed or partially fixed price. Conversely, we are exposed to risk of loss on our fixed or partially fixed price sales contracts if market prices increase. Our use of hedging reduces exposure to price volatility by protecting against adverse short-term price movements, but also limits the benefits of favorable short-term price movements. To reduce price risk associated with fixed price commitments, we generally enter into commodity derivative contracts, to the extent practical, to achieve a net commodity position within the formal position limits we have established and deemed prudent for each commodity. These contracts are primarily transacted on regulated commodity futures exchanges, but may also include over-the-counter derivative instruments when deemed appropriate. For commodities where there is no liquid derivative contract, risk is managed using forward sales contracts, other pricing arrangements and, to some extent, futures contracts in highly correlated commodities. These contracts are economic hedges of price risk, but are not designated as hedging instruments for accounting purposes. The contracts are recorded on our Consolidated Balance Sheets at fair values based on quotes listed on regulated commodity exchanges or the market prices of the underlying products listed on the exchanges, except that fertilizer and certain propane contracts are accounted for as normal purchase and normal sales transactions. Unrealized gains and losses on these contracts are recognized in cost of goods sold in our Consolidated Statements of Operations. When a futures position is established, initial margin must be deposited with the applicable exchange or broker. The amount of margin required varies by commodity and is set by the applicable exchange at its sole discretion. If the market price relative to a short futures position increases, an additional margin deposit would be required. Similarly, a margin deposit would be required if the market price relative to a long futures position decreases. Conversely, if the market price increases relative to a long futures position or decreases relative to a short futures position, margin deposits may be returned by the applicable exchange or broker. Our policy is to manage our commodity price risk exposure according to internal policies and in alignment with our tolerance for risk. Our profitability from operations is primarily derived from margins on products sold and grain merchandised, not from hedging transactions. At any one time, inventory and purchase contracts for delivery to us may be substantial. We have risk management policies that include established net position limits. These limits are defined for each commodity and business unit and may include both trader and management limits as appropriate. The limits policy is managed within each individual business unit to ensure any limits overage is explained and exposures reduced, or a temporary limit increase is established if needed. The position limits are reviewed at least annually with our senior leadership and Board of Directors. We monitor current market conditions and may expand or reduce our net position limits in response to changes in those conditions. In addition, all purchase and sales contracts are subject to credit approvals and appropriate terms and conditions. The use of hedging instruments does not protect against nonperformance by counterparties to cash contracts. We evaluate counterparty exposure by reviewing contracts and adjusting the values to reflect potential nonperformance. Risk of nonperformance by counterparties includes inability to perform because of a counterparty's financial condition and the risk that the counterparty will refuse to perform on a contract during periods of price fluctuations where contract prices are significantly different than the current market prices. We manage these risks by entering into fixed price purchase and sales contracts with preapproved producers and by establishing appropriate limits for individual suppliers. Fixed price contracts are entered into with customers of acceptable creditworthiness, as internally evaluated. Regarding our use of derivatives, we primarily transact in exchange traded instruments or enter into over-the-counter derivatives that clear through a designated clearing organization, which limits our counterparty exposure relative to hedging activities. Historically, we have not experienced significant events of nonperformance on open contracts. Accordingly, we only adjust the estimated fair values of specifically identified contracts for nonperformance. Although we have established policies and procedures, we make no assurances that historical nonperformance experience will carry forward to future periods. As of August 31, 2020 and 2019, we had outstanding commodity futures and options contracts that were used as economic hedges, as well as fixed-price forward contracts related to physical purchases and sales of commodities. The table below presents the notional volumes for all outstanding commodity contracts.
|  | 2020 |  | 2019
Derivative Type |  | Long |  | Short |  | Long |  | Short
|  | (Units in thousands)
Grain and oilseed (bushels) |  | 664,673 |  |  | 892,303 |  |  | 547,096 |  | 717,522
Energy products (barrels) |  | 10,028 |  |  | 6,570 |  |  | 13,895 |  | 4,663
Processed grain and oilseed (tons) |  | 657 |  |  | 3,304 |  |  | 597 |  | 2,454
Crop nutrients (tons) |  | 74 |  |  | 127 |  |  | 76 |  | 23
Ocean freight (metric tons) |  | 1,140 |  |  | 95 |  |  | 295 |  | 85
Natural gas (MMBtu) |  | — |  |  | — |  |  | 130 |  |  | — |
Foreign Exchange Contracts We conduct a substantial portion of our business in U.S. dollars, but we are exposed to risks relating to foreign currency fluctuations primarily due to global grain marketing transactions in South America, the Asia Pacific region and Europe, and purchases of products from Canada. We use foreign currency derivative instruments to mitigate the impact of exchange rate fluctuations. Although CHS has some risk exposure relating to foreign currency transactions, a larger impact with exchange rate fluctuations is the ability of foreign buyers to purchase U.S. agricultural products and the competitiveness of U.S. agricultural products compared to the same products offered by alternative sources of world supply. The notional amounts of our foreign exchange derivative contracts were $1.2 billion and $894.7 million as of August 31, 2020 and 2019, respectively. Embedded Derivative Asset Under the terms of our strategic investment in CF Nitrogen, if the CF Industries credit rating is reduced below certain levels by two of three specified credit ratings agencies, we are entitled to receive a nonrefundable annual payment of $5.0 million from CF Industries. These payments will continue on an annual basis until the date the CF Industries credit rating is upgraded to or above certain levels by two of the three specified credit ratings agencies or February 1, 2026, whichever is earlier. Since the CF Industries credit rating was reduced below the specified levels during fiscal 2017, we have received an annual payment of $5.0 million from CF Industries. Gains totaling $2.6 million, $2.8 million and $3.1 million were recognized in other income in our Consolidated Statements of Operations during fiscal 2020, fiscal 2019 and fiscal 2018, respectively. The fair value of the embedded derivative asset recorded on our Consolidated Balance Sheet as of August 31, 2020, was equal to $19.0 million. The current and long-term portions of the embedded derivative asset are included in other current assets and other assets on our Consolidated Balance Sheet, respectively. See Note 16, Fair Value Measurements, for additional information regarding the valuation of the embedded derivative asset. Derivatives Designated as Cash Flow or Fair Value Hedging Strategies Fair Value Hedges During the year ended August 31, 2020, we exited all our interest rate swaps resulting in a $16.4 million gain, which is being amortized over the life of the fixed-rate debt for which the swaps had previously been designated as fair value hedges, through fiscal 2025. As of August 31, 2019, we had outstanding interest rate swaps with an aggregate notional amount of $365.0 million designated as fair value hedges of portions of our fixed-rate debt. Our objective in entering into these transactions was to offset changes in the fair value of the debt associated with the risk of variability in the three-month U.S. dollar LIBOR interest rate, in essence converting the fixed-rate debt to variable-rate debt. Under these interest rate swaps, we received fixed-rate interest payments and made interest payments based on the three-month LIBOR. Offsetting changes in the fair values of both the swap instruments and the hedged debt were recorded contemporaneously each period and only created an impact to earnings to the extent the hedge was ineffective. The following table presents the fair value of our derivative interest rate swap instruments designated as fair value hedges and the line items on our Consolidated Balance Sheets in which they are recorded as of August 31, 2020 and 2019.
|  | 2020 |  | 2019 |  |  |  |  |  |
Balance Sheet Location |  | Derivative Assets |  |  |  |
|  | (Dollars in thousands) |  |  |  |
Other assets |  | $ | — |  |  | $ | 9,841 |  |  |  |  |  |  |
The following table sets forth the pretax gains (losses) on derivatives accounted for as hedging instruments that have been included in our Consolidated Statements of Operations for the years ended August 31, 2020, 2019 and 2018.
Gain (Loss) on Fair Value Hedging Relationships |  | Location of Gain (Loss) |  | 2020 |  | 2019 |  | 2018
|  |  |  | (Dollars in thousands)
Interest rate swaps |  | Interest expense |  | $ | (1,897) |  |  | $ | 21,158 |  |  | $ | 18,723 |
Hedged item |  | Interest expense |  | 1,897 |  |  | (21,158) |  |  | (18,723) |
Total |  | $ | — |  |  | $ | — |  |  | $ | — |
The following table provides the location and carrying amount of hedged liabilities in our Consolidated Balance Sheets as of August 31, 2020 and 2019.
|  | August 31, 2020 |  | August 31, 2019
Balance Sheet Location |  | Carrying Amount of Hedged Liabilities |  | Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of Hedged Liabilities |  | Carrying Amount of Hedged Liabilities |  | Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of Hedged Liabilities
|  | (Dollars in thousands)
Long-term debt |  | $ | — |  |  | $ | — |  |  | $ | 334,389 |  |  | $ | 30,611 |
Cash Flow Hedges In fiscal 2018, our Energy segment began designating certain of its pay-fixed, receive-variable, cash-settled swaps as cash flow hedges of future crude oil purchases. We also began designating certain pay-variable, receive-fixed, cash-settled swaps as cash flow hedges of future refined product sales. These hedging instruments and the related hedged items are exposed to significant market price risk and potential volatility. As part of our risk management strategy, we look to hedge a portion of our expected future crude oil needs and the resulting refined product output based on prevailing futures prices, management's expectations about future commodity price changes and our risk appetite. As of August 31, 2020 and 2019, the aggregate notional amount of cash flow hedges was 9.7 million and 7.7 million barrels, respectively. The following table presents the fair value of our commodity derivative instruments designated as cash flow hedges and the line items on our Consolidated Balance Sheets in which they are recorded as of August 31, 2020 and 2019.
|  | Derivative Assets |  |  |  | Derivative Liabilities
Balance Sheet Location |  | 2020 |  | 2019 |  | Balance Sheet Location |  | 2020 |  | 2019
|  | (Dollars in thousands) |  |  |  | (Dollars in thousands)
Other current assets |  | $ | 34,052 |  |  | $ | 33,179 |  |  | Other current liabilities |  | $ | 8,821 |  |  | $ | 5,351 |
The following table presents the pretax gains (losses) recorded in other comprehensive income relating to cash flow hedges for the years ended August 31, 2020, 2019 and 2018:
|  | 2020 |  | 2019 |  | 2018
|  | (Dollars in thousands)
Commodity derivatives |  | $ | (2,596) |  |  | $ | 27,650 |  |  | $ | 178 |
The following table presents the pretax gains (losses) relating to cash flow hedges that were reclassified from accumulated other comprehensive loss into our Consolidated Statements of Operations for the years ended August 31, 2020, 2019 and 2018:
| Location of Gain (Loss) |  | 2020 |  | 2019 |  | 2018
|  |  | (Dollars in thousands)
Commodity derivatives | Cost of goods sold |  | $ | 23,807 |  |  | $ | 11,497 |  |  | $ | — |

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