Represents the number of additional patents for which a patent infringement lawsuit against the Company has been filed.

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- Definition

Represents the number of claims filed against the Company.

+ Details

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- Definition

Represents the number of claims not dismissed against the Company.

+ Details

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- Definition

Represents the number of patents of the plaintiff declared invalid by the court.

+ Details

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- Definition

Represents the number of patents for which a patent infringement lawsuit against the Company has been filed.

+ Details

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- Definition

Represents the number of patents for which a patent infringement lawsuit against the Company has not been dismissed.

+ Details

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- Definition

Represents the number of products undergoing technical changes to ensure non-infringement of IGT's patents by the Company.

+ Details

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- Details

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			1 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009	Apr. 30, 2009 Patent infringement lawsuit filed by International Game Technology ("IGT") against the Company	Oct. 31, 2008 Patent infringement lawsuit filed by International Game Technology ("IGT") against the Company	Apr. 30, 2006 Patent infringement lawsuit filed by International Game Technology ("IGT") against the Company	Oct. 31, 2010 WMS Gaming Inc.
COMMITMENTS AND CONTINGENCIES.
Royalty expense	$ 11.5	$ 8.3	$ 15.6
Litigation
Number of patents of plaintiff declared invalid by the court					2
Number of patents against which lawsuit is filed						9	2
Number of additional patents against which lawsuit is filed							3
Number of claims made in lawsuits						200
Number of patents against which lawsuit is not dismissed						3
Number of claims not dismissed						8
Number of products undergoing technical changes by the Company				2