Business Segments and Geographic Information (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jan. 01, 2012
Schedule of Equity Method Investments [Line Items]
Number of Managed Correctional Facilities in Australia	4
Number of reportable business segments	4
SACS
Schedule of Equity Method Investments [Line Items]
Net income	$ 5.1	$ 5.3	$ 3.9
Investment in Joint Ventures	8.1	7.8
GEO Amey
Schedule of Equity Method Investments [Line Items]
Net income	1.1	(1.7)	(2.4)
Investment in Joint Ventures	$ (3.0)	$ (4.1)