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Investment in and Advances to Unconsolidated Affiliates Equity Method Investment (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Schedule of Equity Method Investments [Line Items] |  |
Income (Loss) from Equity Method Investments | $ 3.8 | $ 3.0
Casino revenue | 36.0 | 31.9
Non-casino revenue | 2.0 | 2.0
Net revenue | 38.0 | 33.9
Operating and SG&A expense | 26.8 | 24.6
Depreciation & amortization expense | 3.2 | 3.1
Operating income | 8.0 | 6.2
Interest and other expense, net | (0.9) | (1.1)
Net income | 7.1 | 5.1
Miami Valley Gaming and Racing [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Income (Loss) from Equity Method Investments | $ 3.6 | $ 2.6

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