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Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments
Fair Value of Financial Instruments
Factors used in determining the fair value of financial assets and liabilities are summarized into three broad categories in accordance with FASB ASC Topic 820, “Fair Value Measurements”:
Level 1 – quoted prices in active markets for identical securities as of the reporting date;
Level 2 – other significant directly or indirectly observable inputs, including quoted prices for similar securities, interest rates, prepayment speeds, credit risk and observable market prices for identical instruments that are traded in less active markets; and
Level 3 – significant inputs that are generally less observable than objective sources, including our own assumptions in determining fair value.
The factors or methodology used for valuing securities are not necessarily an indication of the risk associated with investing in those securities.

Note 3.
Fair Value of Financial Instruments - (Continued)
The Company had $200.0 million and $140.7 million of cash equivalents at December 31, 2018 and 2017, respectively, which were primarily investments in money market funds and overnight deposits. The Company has categorized its cash equivalents as a Level 1 financial asset, measured at fair value based on quoted prices in active markets of identical assets. All cash equivalents are in instruments that are convertible to cash daily. The fair value of the Company’s foreign currency contracts as of December 31, 2018 and 2017 are disclosed in Note 4, "Derivative Financial Instruments," and based on Level 2 inputs. The fair value of the Company’s senior unsecured notes as described in Note 12, "Long-Term Debt," is approximately $418.8 million and $427.5 million based upon Level 2 inputs at December 31, 2018 and 2017, respectively. The Company does not have any other significant financial assets or liabilities that are measured at fair value.