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Business Segments and Geographic Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2012 | Jul. 03, 2011 | Jul. 01, 2012 | Jul. 03, 2011
Revenues: |  |  |  |
Revenues | $ 412,348 | $ 396,804 | $ 813,605 | $ 777,148
Operating Income: |  |  |  |
Operating income from segments | 83,506 | 76,623 | 153,428 | 149,245
U.S. Corrections and Detention [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 246,060 | 230,662 | 481,094 | 460,870
Operating Income: |  |  |  |
Operating income from segments | 59,849 | 52,881 | 106,960 | 107,598
GEO Care [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 110,320 | 110,857 | 220,013 | 207,746
Operating Income: |  |  |  |
Operating income from segments | 21,203 | 21,443 | 39,827 | 35,293
International services [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 55,968 | 55,285 | 112,498 | 108,413
Operating Income: |  |  |  |
Operating income from segments | 2,454 | 2,322 | 6,641 | 6,274
Facility Constructions and Design [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 0 | 0 | 0 | 119
Operating Income: |  |  |  |
Operating income from segments | $ 0 | $ (23) | $ 0 | $ 80

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a),(b),(c) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599 + Details
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