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Commitments and Contingencies (Details 3) $ in Millions | 1 Months Ended | 4 Months Ended | 12 Months Ended | 16 Months Ended
--- | --- | --- | --- | ---
Aug. 31, 2015 | Dec. 31, 2015 USD ($) | Dec. 31, 2015 USD ($) plan employee | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2015 USD ($)
Labor Agreements |  |  |  |  |  |
Agreements with Sports Arena Employees Ratification Period | 3 years |  |  |  |  |
Number of employees under Seafarers Entertainment and Allied Trade Union agreement | employee |  |  | 1,827 |  |  |
Number of employees under Hotel Employees and Restaurant Employees Union Local 1 agreement | employee |  |  | 186 |  |  |
Number of employees under United Steel Workers | employee |  |  | 1,361 |  |  |
Profit sharing plan under the provisions of Section 401(k) |  |  |  |  |  |
Employer's discretionary match contribution up to a maximum of 6% of eligible employee compensation (as a percent) |  |  | 50.00% |  |  |
Maximum percentage of eligible employee compensation eligible for discretionary employer match contribution |  |  | 6.00% |  |  |
Matching contributions for the profit-sharing plan | $ |  |  | $ 5.0 | $ 4.7 | $ 4.6 |
Defined contribution plan, the Charles Town Races Future Service Retirement Plan |  |  |  |  |  |
Matching contribution as a percentage of the daily mutual handle |  |  | 0.25% |  |  |
Matching contribution as a percentage of net video lottery revenue up to a base |  |  | 1.00% |  |  |
Matching contribution as a percentage of table revenue after the base is met |  |  | 0.50% |  |  |
Matching contribution as a percentage of poker revenue after the base is met |  |  | 0.84% |  |  |
Number of plans for which matching contribution is made | plan |  |  | 2 |  |  |
Contributions for the two plans at Hollywood Casino at Charles Town Races | $ |  |  | $ 2.9 | 3.0 | 3.6 |
Non-qualified deferred compensation plan |  |  |  |  |  |
Vesting period for matching contribution by employer under the plan (in years) |  |  | 5 years |  |  |
Employer's matching contributions for the non-qualified deferred compensation plan | $ |  |  | $ 2.0 | 1.9 | $ 2.3 |
Deferred compensation liability, which was included in other current liabilities | $ |  | $ 52.7 | $ 52.7 | $ 61.4 |  | $ 52.7
Mahoning Valley Race Course |  |  |  |  |  |
Labor Agreements |  |  |  |  |  |
Term |  |  |  |  |  | 10 years
Hollywood Gaming at Dayton Raceway |  |  |  |  |  |
Labor Agreements |  |  |  |  |  |
Term |  | 10 years |  |  |  |
Total Number of Employees | Unionized Employees |  |  |  |  |  |
Labor Agreements |  |  |  |  |  |
Threshold number of employees under agreement for separate disclosure of unions | employee |  |  | 91 |  |  |

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