Segment reporting information operating income.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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The net result for the period of deducting operating expenses from operating revenues.

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- Definition

Amount of total revenue for the reportable segments, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy.

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Business Segment and Geographic Information (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2011	Oct. 03, 2010	Oct. 02, 2011	Oct. 03, 2010	Jan. 02, 2011
Revenues:
Revenues	$ 406,847	$ 327,933	$ 1,206,430	$ 895,570
Depreciation and amortization:
Depreciation and amortization	21,974	13,384	61,832	32,096
Operating Income:
Operating income from segments	77,152	63,449	228,947	169,126
General and administrative expenses	(25,922)	(33,925)	(86,420)	(72,028)
Total Operating Income	51,230	29,524	142,527	97,098
Total segment assets	2,990,590		2,990,590		2,412,373
U.S. Detention & Corrections [Member]
Revenues:
Revenues	243,952	217,808	727,256	599,598
Depreciation and amortization:
Depreciation and amortization	14,017	11,048	40,272	27,131
Operating Income:
Operating income from segments	54,206	52,074	164,353	142,545
Total segment assets	1,947,785		1,947,785		1,849,423
GEO Care [Member]
Revenues:
Revenues	109,729	60,934	317,475	135,409
Depreciation and amortization:
Depreciation and amortization	7,429	1,905	19,956	3,679
Operating Income:
Operating income from segments	18,326	8,272	53,618	17,085
Total segment assets	759,078		759,078		299,563
International services [Member]
Revenues:
Revenues	53,166	47,553	161,580	138,142
Depreciation and amortization:
Depreciation and amortization	528	431	1,604	1,286
Operating Income:
Operating income from segments	4,663	2,599	10,939	7,848
Total segment assets	99,399		99,399		103,004
Facility Constructions and Design [Member]
Revenues:
Revenues		1,638	119	22,421
Depreciation and amortization:
Depreciation and amortization
Operating Income:
Operating income from segments	(43)	504	37	1,648
Total segment assets	157		157		26
Reportable segment assets [Member]
Operating Income:
Total segment assets	$ 2,806,419		$ 2,806,419		$ 2,252,016