Acquisitions And New Ventures Acquisitions And New Ventures (Details) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Oxford Acquisition [Member]	Jun. 30, 2014 Oxford Acquisition [Member]	Jul. 17, 2013 Oxford Acquisition [Member] SlotMachines sqft Tables
Schedule of Equity Method Investments [Line Items]
Future Business Acquisition, Cost Of Acquired Entity, Purchase Price							$ 168,600,000
Square footage of Casino							25,000
Revenues	0	0	0	0	19,400,000	36,900,000
Number Slot Machines							800
Number of Tables Games							22
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	$ 92,100,000	$ 81,344,000	$ 90,962,000	$ 82,762,000	$ 4,000,000	$ 6,500,000