The following tables present our financial assets and liabilities that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy. The fair value hierarchy has three levels based on the reliability of the inputs used to determine fair value. | (In thousands) | | | | | Fair Value Measurements at September 30, 2016 | | | | | | | | Quoted Prices in | | Significant Other | | Significant | | | | | | | | Active Markets for | | Observable | | Unobservable | | | | | | | Identical Assets | | Inputs | | Inputs | | | | | Total | | (Level 1) | | (Level 2) | | (Level 3) | | | Assets: | | | | | | | | | | | | | | | Short-term investments | | $ | 117,951 | | $ | — | | $ | 117,951 | | $ | — | | | Foreign currency forward
exchange contracts
not accounted for using
hedge accounting | | | 86 | | | — | | | 86 | | | — | | | | | | | | | | | | | | | | | | | | $ | 118,038 | | $ | — | | $ | 118,038 | | $ | — | | | Liabilities: | | | | | | | | | | | | | | | Interest rate swaps | | $ | 1,260 | | $ | — | | $ | 1,260 | | $ | — | | | | | | | | Fair Value Measurements at December 31, 2015 | | | | | | | Quoted Prices in | | Significant Other | | Significant | | | | | | | Active Markets for | | Observable | | Unobservable | | | | | | | Identical Assets | | Inputs | | Inputs | | | | | Total | | (Level 1) | | (Level 2) | | (Level 3) | | | Assets: | | | | | | | | | | | | | | | Short-term investments | | $ | 82,847 | | $ | — | | $ | 82,847 | | $ | — | | | Foreign currency forward
exchange contracts
not accounted for using
hedge accounting | | | 123 | | | — | | | 123 | | | — | | | | | | | | | | | | | | | | | | | | $ | 82,970 | | $ | — | | $ | 82,970 | | $ | — | | | Liabilities: | | | | | | | | | | | | | | | Interest rate swaps | | $ | 1,026 | | $ | — | | $ | 1,026 | | $ | — | |
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