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Litigation (Details) - USD ($) $ in Millions |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 25, 2018 | Apr. 30, 2015 | Mar. 31, 2018 | Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
Loss contingency accrual |  |  | $ 20.3 | $ 4.7
Contractual penalty |  |  | $ 14.9 |
Shuffle Tech Matter |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Damages sought |  | $ 100.0 |  |
Subsequent Event | Shuffle Tech Matter | Minimum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Damages sought | $ 105.2 |  |  |
Subsequent Event | Shuffle Tech Matter | Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Damages sought | $ 139.5 |  |  |

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