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Litigation - Additional Information (Details) COP in Billions | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
May 31, 2013 USD ($) | May 31, 2013 COP | Jun. 30, 2016 USD ($) | Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Loss contingency accrual |  |  | $ 9,000,000 | $ 16,400,000
Loss contingency liability, estimated range |  |  | 13,200,000 |
Ecosalud |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Litigation settlement, amount | $ 30,800,000 | COP 90 |  |
Statutory interest rate | 12.00% | 12.00% |  |
Oregon State Lottery Matter |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Minimum monetary damages sought by plaintiffs |  |  | 134,000,000.0 |
Bally Technologies Inc. |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Minimum comprehensive damages sought by plaintiffs |  |  | 100,000,000.0 |
Guarantee of business revenue |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency possible amount of damages |  |  | 5,000,000.0 |
Performance guarantee |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency deposit of surety bond |  |  | $ 4,000,000.0 |

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