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Acquisitions And New Ventures Acquisitions And New Ventures (Details) (USD $) | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended |
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 Oxford Acquisition [Member] | Jun. 30, 2014 Oxford Acquisition [Member] | Jul. 17, 2013 Oxford Acquisition [Member] SlotMachines sqft Tables
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Future Business Acquisition, Cost Of Acquired Entity, Purchase Price |  |  |  |  |  |  | $ 168,600,000
Square footage of Casino |  |  |  |  |  |  | 25,000
Revenues | 0 | 0 | 0 | 0 | 19,400,000 | 36,900,000 |
Number Slot Machines |  |  |  |  |  |  | 800
Number of Tables Games |  |  |  |  |  |  | 22
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest | $ 92,100,000 | $ 81,344,000 | $ 90,962,000 | $ 82,762,000 | $ 4,000,000 | $ 6,500,000 |

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