Item 3. Quantitative and Qualitative Disclosures About Market Risk
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
In the normal course of business, our results of operations are subject to risks related to fluctuations in commodity prices and fluctuations in interest rates. Historically, our exposure to foreign currency fluctuations has not been material and has been limited to temporary field accounts located in foreign countries where we perform work. Foreign currency fluctuations were immaterial in this reporting period.
Commodity price risk
We are subject to fluctuations in commodity prices for concrete, steel products and fuel. Although we routinely attempt to secure firm quotes from our suppliers, we generally do not hedge against increases in prices for commodity products. Commodity price risks may have an impact on our results of operations due to the fixed-price nature of many of our contracts, although the short-term duration of our projects may allow us to include price increases in the costs of our bids.
Interest rate risk
At September 30, 2020, we had $42.1 million in outstanding borrowings under our credit facility, with a weighted average ending interest rate of 2.68%. Also, we have entered into a series of receive-variable, pay-fixed interest rate swaps to hedge the variability in the interest payments on the aggregate principal amount of the term loan component of the credit facility outstanding. At inception, these interest rate swaps were designated as cash flow hedges for hedge accounting. Our objectives in managing interest rate risk are to lower our overall borrowing costs and limit interest rate changes on our earnings and cash flows. To achieve this, we closely monitor changes in interest rates, and we utilize cash from operations to reduce our debt position, if warranted.
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