Correction of Errors in Previously Reported Financial Statements (Details Textual) (USD $) In Millions, unless otherwise specified	1 Months Ended	6 Months Ended						3 Months Ended			6 Months Ended	12 Months Ended
	Dec. 31, 2008	Jun. 30, 2012 Income Statement Impact [Member]	Jun. 30, 2012 Income Statement Impact [Member] Tax [Member]	Jun. 30, 2012 Income Statement Impact [Member] Other [Member]	Jun. 30, 2012 Income Statement Impact [Member] Spain [Member]	Jun. 30, 2012 Income Statement Impact [Member] South Africa [Member]	Jun. 30, 2012 Income Statement Impact [Member] Malaysia [Member]	Mar. 31, 2012 Comprehensive Income Impact [Member]	Jun. 30, 2011 Comprehensive Income Impact [Member]	Mar. 31, 2011 Comprehensive Income Impact [Member]	Jun. 30, 2011 Comprehensive Income Impact [Member]	Dec. 31, 2011 Comprehensive Income Impact [Member]	Dec. 31, 2010 Comprehensive Income Impact [Member]	Dec. 31, 2009 Comprehensive Income Impact [Member]
Correction of Error in Previously Reported Financial Statement (Textual) [Abstract]
Total/ Reduction in net income (loss)		$ 2.7	$ 0.2	$ 0.4	$ 2.8	$ 0.8	$ 0.3	$ 0.4		$ 1.1	$ 0.6	$ 0.4		$ 1.8
Reduction in Total Comprehensive Income								0.3	0.6	1.0	0.4	0.5	1.8	2.0
Losses in foreign currency translation								0.1	0.1	0.1	0.2	0.1		0.2
Reduction in retained earnings	$ 0.6