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Note 13 - Financial Instruments and Fair Value Measurements (Details Textual) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jan. 25, 2015 | Sep. 30, 2015 | Dec. 28, 2014
Land and Land Improvements [Member] | Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Property, Plant, and Equipment, Fair Value Disclosure |  | $ 37.8 |
Other Assets Acquired [Member] | Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Property, Plant, and Equipment, Fair Value Disclosure |  | $ 46.3 |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Trade Names [Member] | Minimum [Member] |  |  |
Royalty Rate |  | 1.00% |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Trade Names [Member] | Maximum [Member] |  |  |
Royalty Rate |  | 2.50% |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Trade Names [Member] |  |  |
Finite-lived Intangible Assets, Fair Value Disclosure |  | $ 12.2 |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Player Relationships [Member] | Minimum [Member] |  |  |
Annual Attrition Rate |  | 10.00% |
Fair Value Inputs, Discount Rate |  | 12.00% |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Player Relationships [Member] | Maximum [Member] |  |  |
Annual Attrition Rate |  | 20.00% |
Fair Value Inputs, Discount Rate |  | 13.00% |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Player Relationships [Member] |  |  |
Finite-lived Intangible Assets, Fair Value Disclosure |  | $ 7.6 |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Customer Relationships [Member] | Minimum [Member] |  |  |
Annual Attrition Rate |  | 5.00% |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Customer Relationships [Member] | Maximum [Member] |  |  |
Annual Attrition Rate |  | 12.50% |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Customer Relationships [Member] |  |  |
Finite-lived Intangible Assets, Fair Value Disclosure |  | $ 59.2 |
Fair Value Inputs, Discount Rate |  | 11.00% |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Computer Software, Intangible Asset [Member] |  |  |
Finite-lived Intangible Assets, Fair Value Disclosure |  | $ 0.5 |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Noncompete Agreements [Member] |  |  |
Finite-lived Intangible Assets, Fair Value Disclosure |  | $ 0.3 |
Fair Value Inputs, Discount Rate |  | 9.80% |
Fair Value Input, Probability Factor |  | 10.00% |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Gaming License, Indefinite-Lived [Member] |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure |  | $ 0.9 |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Finite and Indefinite-lived Intangible Assets, Excluding Goodwill, Fair Value Disclosure |  | $ 80.7 |
Rock Ohio Ventures [Member] |  |  |
Cost Method Investments, Fair Value Disclosure |  |  | $ 0.8
Payments for (Proceeds from) Investments | $ 0.8 |  |

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