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Nature of Operations and Summary of Significant Accounting Policies - Contract Assets, Receivables, and Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Disaggregation of Revenue [Line Items] |  |  |
Receivables (included in Trade receivables) | $ 1,012,780 |  | $ 946,938
Contract asset - Short term | 2,149 |  | $ 487
Revenues | 1,297,402 | $ 930,928 |
Flavor Compounds |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 713,560 | 449,019 |
Fragrance Compounds |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 389,111 | 378,633 |
Ingredients |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 194,731 | $ 103,276 |

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