Long-Term Investments (Notes)

9 Months Ended

Sep. 30, 2016

Investments, All Other Investments [Abstract]

Investment [Text Block]

Long-Term Investments

In September 2016, the company sold approximately 4.0 million shares of BM&FBOVESPA S.A. (BM&FBOVESPA) and recognized a net gain of $6.4 million within investment income on the consolidated statements of income. As of September 30, 2016, the company owned an approximate 4% interest in BM&FBOVESPA. At September 30, 2016, the fair value and cost basis of the remaining investment in BM&FBOVESPA was $351.1 million and $243.9 million, respectively.