Represents the number of acres of land the acquired facility is situated on.

No definition available.

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Namespace Prefix:	penn_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the square footage of the clubhouse building at the acquired raceway.

+ References

No definition available.

+ Details

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Namespace Prefix:	penn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the square footage of the grandstand building at the acquired raceway.

+ References

No definition available.

+ Details

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Namespace Prefix:	penn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the length of the oval track length at the acquired raceway.

+ References

No definition available.

+ Details

Name:	penn_BusinessAcquisitionLengthOfOvalTrackOfFacilityOfAcquiredEntity
Namespace Prefix:	penn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of stories in the clubhouse building at the acquired raceway.

+ References

No definition available.

+ Details

Name:	penn_BusinessAcquisitionNumberOfFloorsOfClubhouseBuildingOfAcquiredEntity
Namespace Prefix:	penn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the location of an acquired entity in number of miles from a specified location.

+ References

No definition available.

+ Details

Name:	penn_BusinessAcquisitionNumberOfMilesOfAcquiredEntityFromASpecifiedLocation
Namespace Prefix:	penn_
Data Type:	num:lengthItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of race paddocks at the acquired raceway.

+ References

No definition available.

+ Details

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Namespace Prefix:	penn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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Acquisitions and Other Recent Business Ventures (Details) (USD $) In Millions, unless otherwise specified			1 Months Ended
	Jun. 02, 2011 M Resort	Oct. 31, 2010 M Resort	Feb. 28, 2011 Rosecroft Raceway story paddock sqft mi acre	Jul. 02, 2010 Beulah Park acre
Acquisition
Purchase price of the acquired entity	$ 230.5	$ 230.5
Location of facility in distance from major metropolitan area (in miles)			13
Size of property where facility is located (in acres)			125	210
Length of oval track at raceway (in miles)			5/8-mile
Number of race paddocks at raceway			7
Size of grandstand building at raceway (in square feet)			53,000
Size of clubhouse building at raceway (in square feet)			96,000
Number of stories in clubhouse building at raceway			3