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Business Segments and Geographic Information (Details Textual) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Jan. 01, 2012 | Jan. 02, 2011
Schedule of Equity Method Investments [Line Items] |  |  |
Number of Managed Correctional Facilities in Australia | 4 |  |
Business Segment and Geographical Information (Textual) [Abstract] |  |  |
Number of reportable business segments | 4 |  |
Business Segment and Geographical Information (Additional Textual) [Abstract] |  |  |
Consolidated revenue to single customer |  | 10.00% |
SACS |  |  |
Business Segment and Geographical Information (Textual) [Abstract] |  |  |
Net income | $ 5.3 | $ 3.9 | $ 4.2
Investment in Joint Ventures | 7.8 | 5.6 |
Geo Amey [Member] |  |  |
Business Segment and Geographical Information (Textual) [Abstract] |  |  |
Net income | (1.7) | (2.4) |
Investment in Joint Ventures | $ (4.1) | $ (2.4) |

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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 + Details
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