v2.4.0.6

Fair Value Measurements (Narrative-Balances Measured at Fair Value) (Details) (USD $) In Millions, unless otherwise specified | 0 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 20, 2011 Kansas Star | Mar. 31, 2013 Earnout on Excess of EBITDA in 2015 Kansas Star | Mar. 31, 2013 Peninsula Gaming | Dec. 31, 2012 Peninsula Gaming
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Earnout Threshold, EBITDA of Certain Properties |  | $ 105.0 |  |
Earnout Multiple |  | 7.5 |  |
Contingent Consideration, Kansas Star earnout |  |  | 9.0 | 9.8
Payment to Option Holder, Percentage of EBITDA | 1.00% |  |  |
Payment to Option Holder, Term | 10 years |  |  |
Contingent Consideration, Liability for Payments to Option Holder, Current |  |  | 0.9 |
Contingent Consideration, Liability for Payments to Option Holder, Noncurrent |  |  | $ 3.6 |

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