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)