Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life.

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Fair Value Measurements and Derivative Instruments Reporting (Narrative) (Details) $ in Millions, $ in Millions	Dec. 31, 2018 USD ($)	Dec. 31, 2017 CAD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of land lease	$ 21.0	$ 28.6
Cash equivalents	$ 0.0		$ 0.0
LIM Center Casino [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities measured at fair value on a nonrecurring basis			$ 0.1
Katowice Leashold Improvements [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities measured at fair value on a nonrecurring basis				$ 0.4
Casino license				$ 0.0