Item 3. Quantitative and Qualitative Disclosures About Market Risk
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
Foreign Currency Exposures
As a result of our global operations, our earnings are exposed to changes in foreign currency exchange rates. Many of our foreign businesses operate in functional currencies other than the U.S. dollar. As the U.S. dollar strengthens relative to the Euro or other foreign currencies where we have operations, there will be a negative impact on our operating results upon translation of those foreign operating results into the U.S. dollar. Foreign currency exchange rate changes negatively impacted our adjusted EBITDA, which is a non-GAAP financial measure, by 0.4% in the three and six months ended June 30, 2020.
We hedge a portion of our currency exchange exposure relating to foreign currency transactions with foreign exchange forward contracts. A sensitivity analysis indicates the potential loss in fair value on foreign exchange forward contracts outstanding at June 30, 2020, resulting from a hypothetical 10.0% adverse change in all foreign currency exchange rates against the U.S. dollar, is approximately $0.2 million. Such losses would be largely offset by gains from the revaluation or settlement of the underlying assets and liabilities that are being protected by the foreign exchange forward contracts.
Interest Rate Risk
As of June 30, 2020, we had variable-rate debt of approximately $639.6 million. Holding other variables constant, including levels of indebtedness, a one hundred basis point increase in interest rates on our variable-rate debt would cause an estimated reduction in income before income taxes of approximately $6.4 million. We continue to evaluate the interest rate environment and look for opportunities to improve our debt structure and minimize interest rate risk and expense.
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