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Litigation - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended				3 Months Ended	12 Months Ended
	Oct. 31, 2012 Installment	Dec. 31, 2012 THQ Inc Installment	Aug. 31, 2012 THQ Inc	Jun. 30, 2012 THQ Inc	Jun. 30, 2012 THQ Inc	Dec. 31, 2011 THQ Inc	Dec. 31, 2010 THQ Inc
Schedule of Equity Method Investments [Line Items]
Payment received from joint venture party			$ 1.0	$ 2.0		$ 6.0	$ 6.0
Distributions from joint venture					1.0
Payments For Settlement Agreement	$ 0.4	$ 0.4
Number of monthly installment to receive	10	10

The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

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