Item 3. Quantitative and Qualitative Disclosures About Market Risk
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
Interest rate risk
As of September 30, 2022 , our total debt outstanding, excluding unamortized debt issuance costs, was $1,743.3 million . Of this amount, $525.0 million , net of debt discounts, or 30 % of our total debt obligations, relates to our contingent Convertible Notes that have a fixed coupon rate. Our $525.0 million outstanding principal amount of Convertible Notes accrue cash interest at a rate of 0.75% of the principal amount per annum. Based on quoted market prices, as of September 30, 2022 , the fair value of our fixed rate Convertible Notes was $513.6 million , compared to a carrying value of $525.0 million . Further, as of September 30, 2022 we had $326.3 million of borrowings under our Credit Facility, or 19% of our total debt obligations. The carrying values of the Credit Facility approximates fair value because interest as of September 30, 2022, was based on LIBOR that reset at various intervals of less than one year. Additionally, $588.4 million , or 34% of our total debt obligations, relates to Senior Notes having a fixed coupon rate. Our €600 million outstanding principal amount of Senior Notes accrue cash interest at a rate of 1.375% of the principal amount per annum. Based on quoted market prices, as of September 30, 2022 , the fair value of our fixed rate Senior Notes was $550.0 million , compared to a carrying value of $588.4 million . An additional $300.0 million, or 17% of our total debt, is related to short-term uncommitted credit agreements. The credit agreements are due within one year and accrue interest at variable rates. The remaining $3.6 million , or less than 1 % of our total debt obligations, is related to borrowings by certain subsidiaries to fund, from time to time, working capital requirements. These arrangements generally are due within one year and accrue interest at variable rates. Based on the outstanding borrowings accruing interest at variable rates, a 1% increase in the interest rate would result in a $6.3 million increase or decrease, as applicable, in our annual interest expense.
Our excess cash is invested in instruments with original maturities of three months or less or in certificates of deposit that may be withdrawn at any time without penalty; therefore, as investments mature and are reinvested, the amount we earn will increase or decrease with changes in the underlying short-term interest rates.
Foreign currency exchange rate risk
For the nine months ended September 30, 2022, approximately 74.1 % of our revenues were generated in non-U.S. dollar countries and we expect to continue generating a significant portion of our revenues in countries with currencies other than the U.S. dollar.
We are particularly vulnerable to fluctuations in exchange rates of the U.S. dollar to the currencies of countries in which we have significant operations, primarily the euro, British pound, Australian dollar, Polish zloty, Indian rupee, New Zealand dollar, Malaysian ringgit and Hungarian forint. As of September 30, 2022 , we estimate that a 10% fluctuation in these foreign curren cy exchange rates would have the combined annualized effect on reported net income and working capital of approximately $185 million to $190 million . This effect is estimated by applying a 10% adjustment factor to our non-U.S. dollar results from operations, intercompany loans that generate foreign currency gains or losses and working capital balances that require translation from the respective functional currency to the U.S. dollar reporting currency.
Additionally, we have other non-current, non-U.S. dollar assets and liabilities on our balance sheet that are translated to the U.S. dollar during consolidation. These items primarily represent goodwill and intangible assets recorded in connection with acquisitions in countries other than the U.S. and our Senior Notes. We estimate that a 10% fluctuation in foreign currency exchange rates would have a non-cash impact on total comprehensive income of approximately $50 million to $55 million as a result of the change in value of these items during translation to the U.S. dollar. For the fluctuations described above, a strengthening U.S. dollar produces a financial loss, while a weakening U.S. dollar produces a financial gain.
We believe this quantitative measure has inherent limitations and does not take into account any governmental actions or changes in either customer purchasing patterns or our financing or operating strategies. Because a majority of our revenues and expenses are incurred in the functional currencies of our international operating entities, the profits we earn in foreign currencies are positively impacted by a weakening of the U.S. dollar and negatively impacted by a strengthening of the U.S. dollar. Additionally, a significant portion of our debt obligations are in U.S. dollars; therefore, as foreign currency exchange rates fluctuate, the amount available for repayment of debt will also increase or decrease.
We use derivatives to minimize our exposures related to changes in foreign currency exchange rates and to facilitate foreign currency risk management services by writing derivatives to customers. Derivatives are used to manage the overall market risk associated with foreign currency exchange rates; however, we do not perform the extensive record-keeping required to account for the derivative transactions as hedges. Due to the relatively short duration of the derivative contracts, we use the derivatives primarily as economic hedges. Since we do not designate foreign currency derivatives as hedging instruments pursuant to the accounting standards, we record gains and losses on foreign exchange derivatives in earnings in the period of change.
We manage counterparty credit risk (the risk that counterparties will default and not make payments according to the terms of the agreements) on an individual counterparty basis. We mitigate this risk by entering into contracts with collateral posting requirements and/or by performing financial assessments prior to contract execution, conducting periodic evaluations of counterparty performance and maintaining a diverse portfolio of qualified counterparties. We do not expect any significant losses from counterparty defaults.
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A majority of our consumer-to-consumer money transfer operations involve receiving and disbursing different currencies, in which we earn a foreign currency spread based on the difference between buying currency at wholesale exchange rates and selling the currency to consumers at retail exchange rates. We enter into foreign currency forward and cross-currency swap contracts to minimize exposure related to fluctuations in foreign currency exchange rates. The changes in fair value related to these contracts are recorded in Foreign currency exchange (loss) gain, net on the Consolidated Statements of Income. As of September 30, 2022 , we had foreign currency derivative contracts outstanding with a notional value of $415.8 million , primarily in Australian dollars, British pounds, Canadian dollars, euros and Mexican pesos, that were not designated as hedges and mature within a few days.
For derivative instruments our xe operations write to customers, we aggregate the foreign currency exposure arising from customer contracts, and hedge the resulting net currency risks by entering into offsetting contracts with established financial institution counterparties as part of a broader foreign currency portfolio. The changes in fair value related to the total portfolio of positions are recorded in Revenues on the Consolidated Statements of Income. As of September 30, 2022 , we held foreign currency derivative contracts outstanding with a notional value of $1,041.8 million , primarily in U.S. dollars, euros, British pounds, Australian dollars and New Zealand dollars, that were not designated as hedges and for which the majority mature within the next twelve months.
We use longer-term foreign currency forward contracts to mitigate risks associated with changes in foreign currency exchange rates on certain foreign currency denominated other asset and liability positions. As of September 30, 2022 , we had foreign currency forward contracts outstanding with a notional value of $7.4 million , primarily in euros.
See Note 10, Derivative Instruments and Hedging Activities, to our unaudited consolidated financial statements for additional information.
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