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Segment Information Adjusted EBITDA by Segment (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | $ 379,400,000 | $ 339,300,000 | $ 568,700,000 | $ 506,800,000
Adjusted EBITDA | 174,500,000 | 154,000,000 | 223,700,000 | 190,300,000
Racing Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 194,100,000 | 175,700,000 | 220,300,000 | 201,800,000
Taxes & purses | 34,400,000 | 32,900,000 | 44,700,000 | 43,100,000
Marketing & advertising | 3,600,000 | 2,200,000 | 4,400,000 | 2,900,000
Salaries & benefits | 15,300,000 | 13,500,000 | 23,900,000 | 22,100,000
Content expense | 4,700,000 | 4,700,000 | 7,800,000 | 7,900,000
SG&A expense | 4,600,000 | 4,200,000 | 8,600,000 | 8,000,000
Other operating expense | 22,800,000 | 20,000,000 | 31,600,000 | 29,300,000
Other income | 400,000 | 500,000 | 400,000 | 500,000
Adjusted EBITDA | 109,100,000 | 98,700,000 | 99,700,000 | 89,000,000
Casino Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 98,200,000 | 88,300,000 | 196,300,000 | 175,800,000
Taxes & purses | 33,400,000 | 29,700,000 | 65,800,000 | 58,800,000
Marketing & advertising | 3,500,000 | 3,000,000 | 6,700,000 | 6,000,000
Salaries & benefits | 13,600,000 | 13,400,000 | 27,100,000 | 26,500,000
Content expense | 0 | 0 | 0 | 0
SG&A expense | 5,600,000 | 5,600,000 | 11,000,000 | 10,800,000
Other operating expense | 11,100,000 | 9,800,000 | 21,200,000 | 21,200,000
Other income | 12,900,000 | 10,700,000 | 23,700,000 | 20,300,000
Adjusted EBITDA | 43,900,000 | 37,500,000 | 88,200,000 | 72,800,000
TwinSpires [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 94,100,000 | 80,800,000 | 157,700,000 | 133,100,000
Taxes & purses | 4,600,000 | 4,100,000 | 8,000,000 | 7,100,000
Marketing & advertising | 3,100,000 | 4,600,000 | 3,900,000 | 5,600,000
Salaries & benefits | 2,400,000 | 2,600,000 | 4,500,000 | 4,800,000
Content expense | 49,800,000 | 40,200,000 | 82,000,000 | 65,600,000
SG&A expense | 2,900,000 | 3,000,000 | 5,700,000 | 5,700,000
Other operating expense | 8,200,000 | 7,000,000 | 14,000,000 | 11,800,000
Other income | 0 | 0 | 0 | 0
Adjusted EBITDA | 23,100,000 | 19,300,000 | 39,600,000 | 32,500,000
Other Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 6,500,000 | 6,500,000 | 12,000,000 | 12,000,000
Taxes & purses | 0 | 0 | 0 | 0
Marketing & advertising | 100,000 | 0 | 100,000 | 0
Salaries & benefits | 3,600,000 | 3,300,000 | 6,800,000 | 6,200,000
Content expense | 0 | 0 | 0 | 0
SG&A expense | 700,000 | 700,000 | 1,400,000 | 1,500,000
Other operating expense | 1,100,000 | 1,200,000 | 2,400,000 | 2,500,000
Other income | 100,000 | 0 | 100,000 | 100,000
Adjusted EBITDA | 1,100,000 | 1,300,000 | 1,400,000 | 1,900,000
Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 0 | 0 | 0 | 0
Taxes & purses | 0 | 0 | 0 | 0
Marketing & advertising | 0 | 0 | 0 | 0
Salaries & benefits | 0 | 0 | 0 | 0
Content expense | 0 | 0 | 0 | 0
SG&A expense | 2,600,000 | 2,500,000 | 5,000,000 | 5,400,000
Other operating expense | 100,000 | 300,000 | 300,000 | 500,000
Other income | 0 | 0 | 100,000 | 0
Adjusted EBITDA | (2,700,000) | (2,800,000) | (5,200,000) | (5,900,000)
Saratoga Harness Racing Inc Joint Venture [Member] | Racing Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 109,100,000.0 | 98,700,000.0 | 99,700,000.0 | 89,000,000
Saratoga Harness Racing Inc Joint Venture [Member] | Casino Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 43,900,000.0 | 37,500,000.0 | 88,200,000.0 | 72,800,000.0
Saratoga Harness Racing Inc Joint Venture [Member] | TwinSpires [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 23,100,000.0 | 19,300,000.0 | 39,600,000.0 | 32,500,000.0
Saratoga Harness Racing Inc Joint Venture [Member] | Other Investments Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | $ 1,100,000.0 | $ 1,300,000.0 | $ 1,400,000.0 | $ 1,900,000.0

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