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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2017 USD ($) Agreement | Sep. 30, 2016 USD ($) | Dec. 31, 2016 USD ($)
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |  |  |  |  |
Income tax (expense) benefit | $ (2,673) | $ (1,622) | $ (8,400) | $ (5,447) |
REVENUES | 442,845 | 474,935 | $ 1,324,922 | 1,385,651 |
ICE |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |  |  |  |  |
Number of distinct multiple element arrangements | Agreement |  |  | 5 |  |
REVENUES | 42,500 | $ 71,300 | $ 127,600 | $ 212,800 |
Deferred revenue | $ 56,800 |  | 56,800 |  | $ 67,000
Accounting Standards Update 2016-09 |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |  |  |  |  |
Income tax (expense) benefit |  |  | $ 1,000 |  |

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