Quarterly report pursuant to Section 13 or 15(d)

Comprehensive Loss (Details)

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Comprehensive Loss (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Comprehensive Loss (Textual) [Abstract]        
Comprehensive loss $ 1.7 $ 7.0 $ 6.9 $ 11.5