Investment in and Advances to Unconsolidated Affiliates Affiliate Income Statement (Details) - Miami Valley Gaming and Racing [Member] - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment-Casino Revenue	$ 39.3	$ 36.0
Equity Method Investment-Non-Casino Revenue	2.1	2.0
Net revenue	41.4	38.0
Equity Method Investment-Expenses	28.6	26.8
Equity Method, Depreciation & Amortization	3.1	3.2
Equity Method Investment Operating Income Loss	9.7	8.0
Interest and other expense, net	(0.7)	(0.9)
Net income	$ 9.0	$ 7.1

The amount of depreciation and amortization expenses, reported by an equity method investment of the entity.

No definition available.

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- Definition

The amount of casino revenue reported by an equity method investment of the entity

+ References

No definition available.

+ Details

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- Definition

The amount of expenses, reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of interest expense reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of non-casino revenue reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of operating income or loss reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of net income (loss) reported by an equity method investment of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721683-107760

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(g))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33912-111571

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- Definition

The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

+ References

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- 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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