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Litigation and Contingencies - Additional Information (Detail) € in Millions, $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Aug. 31, 2012 USD ($) | Apr. 30, 2007 EUR (€) | Dec. 31, 2015 USD ($) | Apr. 30, 2008 EUR (€)
Loss Contingencies [Line Items] |  |  |  |
Unreserved tax-related matters, inclusive of interest | $ |  |  | $ 95 |
Ministry Of Justice Of Belgium |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, damages sought value | € |  | € 28.0 |  |
Counterclaim against termination of contract | € |  |  |  | € 18.5
Health Information Management (HIM) |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, damages sought value | $ | $ 35 |  |  |

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