Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net income	$ 387us-gaap_ProfitLoss	$ 2,041us-gaap_ProfitLoss
Other comprehensive income:
Foreign Currency Translation Adjustment	(4,944)	(1,325)
Reclassification foreign currency translation adjustment	362	0
Total comprehensive income	(4,195)	716
Less: Comprehensive income attributable to the noncontrolling interest	15	4
Total comprehensive income attributable to CDI	$ (4,210)us-gaap_ComprehensiveIncomeNetOfTax	$ 712us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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