Goodwill And Indefinite-Lived Intangible Assets Impairment Test Intangible Table (Details) - USD ($) $ in Millions |
Mar. 31, 2016 |
Dec. 31, 2015 |
---|---|---|
Finite-Lived Intangible Assets [Line Items] | ||
Finite-Lived Intangible Assets, Gross | $ 223.1 | $ 224.8 |
Finite-Lived Intangible Assets, Accumulated Amortization | (98.7) | (86.9) |
Finite-Lived Intangible Assets, Net | 124.4 | 137.9 |
Indefinite-Lived Intangible Assets (Excluding Goodwill) | 358.3 | 358.3 |
Other intangible assets, net | 482.7 | $ 496.2 |
Customer Relationships [Member] | TwinSpires [Member] | ||
Finite-Lived Intangible Assets [Line Items] | ||
Finite-Lived Intangible Assets, Gross | $ (1.7) |