| **Asset Impairment (Details) - USD ($) $ in Millions** | 3 Months Ended |
|--------------------------------------------------------|----------------|
||
| **Indefinite-lived Intangible Assets [Line Items]**    |           |   |
| Impairment of intangible assets                        | $ 17.5         | $ 0.0 |
| Online Wagering                                        |           |   |
| **Indefinite-lived Intangible Assets [Line Items]**    |           |   |
| Impairment of intangible assets                        | 2.5            |   |
| Presque Isle Downs & Casino | Gaming               |           |   |
| **Indefinite-lived Intangible Assets [Line Items]**    |           |   |
| Impairment of intangible assets                        | 12.5           |   |
| Gaming Rights                                          |           |   |
| **Indefinite-lived Intangible Assets [Line Items]**    |           |   |
| Impairment of intangible assets                        | 15.0           |   |
| Trademarks                                             |           |   |
| **Indefinite-lived Intangible Assets [Line Items]**    |           |   |
| Impairment of intangible assets                        | $ 2.5          |   |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.
+ References
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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| X                                                                                                                                                       |
|---------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                      |
|--------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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