Business Combination (Details 2) (USD $) In Thousands	3 Months Ended	6 Months Ended
Jul. 03, 2011	Jul. 04, 2010	Jul. 03, 2011	Jul. 04, 2010
Pro forma financial information
Pro forma revenues	$ 407,817	$ 411,747	$ 813,174	$ 824,738
Pro forma net income attributable to The GEO Group, Inc. shareholders	$ 21,982	$ 23,342	$ 41,619	$ 42,585

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463

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