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Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Other Comprehensive Income (Loss), Net of Tax [Abstract]    
Net income $ 2,553 $ 3,914
Other comprehensive income:    
Foreign currency translation adjustments (2,171) 1,391
Total comprehensive income 382 5,305
Less: Comprehensive income attributable to the noncontrolling interest 110 136
Total comprehensive income attributable to CDI $ 272 $ 5,169