Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.24)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_SelfInsuranceReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Belterra Park [Member]	Dec. 31, 2013 Boomtown New Orleans [Member] Room	Dec. 31, 2013 Maximum Indiana Income Tax	Dec. 31, 2013 Minimum Indiana Income Tax
Long-term Purchase Commitment
Amended Guaranteed Maximum Price			$ 119.6
Income Tax Examination, Year under Examination					2007	2005
Total guaranteed maximum price			20.1	14.2
Long-term Contract, Number of Guest Rooms				150
Self insurance accruals	$ 26.2	$ 13.7