Supplemental Disclosures of Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Supplemental Disclosures of cash flow information
Income taxes paid	$ 10.8		$ 24.6
Interest paid	52.5	0	54.6	0
Penn | Federal and State tax liabilities incurred prior to the spin-off
Supplemental Disclosures of cash flow information
Income taxes paid	5.1		5.1
Hollywood Casino Baton Rouge and Hollywood Casino Perryville | Penn | Federal
Supplemental Disclosures of cash flow information
Income taxes paid		4.9		6.7
Hollywood Casino Baton Rouge and Hollywood Casino Perryville | Penn | State taxing authorities
Supplemental Disclosures of cash flow information
Income taxes paid		$ 0.7		$ 0.7