Business	3 Months Ended
Mar. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business	Business CDI Corp. and its Subsidiaries (the “Company” or “CDI”) is an integrated engineering and technology services organization providing client-focused solutions in select global industries. The Company provides engineering and information technology (IT) solutions and staffing services to clients in the Oil, Gas and Chemical (OGC), Aerospace and Industrial Equipment (AIE), and Hi-Tech industry verticals as well as in "Other" industry verticals that primarily include the infrastructure, U.S. defense, transportation and financial services industries. The Company derives most of its revenue by providing these services to large and mid-sized companies located primarily in the United States (U.S.), Canada and the United Kingdom (UK). On March 31, 2014, the Company announced that Paulett Eberhart, President and Chief Executive Officer (CEO), departed the Company upon completion of her contract and entered into an agreement to perform consulting services through the end of 2014; and Robert Larney, CDI’s Chief Financial Officer, agreed to act as interim President and CEO while the Board of Directors conducts an executive search for a permanent replacement.

Business

3 Months Ended

Mar. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

CDI Corp. and its Subsidiaries (the “Company” or “CDI”) is an integrated engineering and technology services organization providing client-focused solutions in select global industries. The Company provides engineering and information technology (IT) solutions and staffing services to clients in the Oil, Gas and Chemical (OGC), Aerospace and Industrial Equipment (AIE), and Hi-Tech industry verticals as well as in "Other" industry verticals that primarily include the infrastructure, U.S. defense, transportation and financial services industries. The Company derives most of its revenue by providing these services to large and mid-sized companies located primarily in the United States (U.S.), Canada and the United Kingdom (UK).

On March 31, 2014, the Company announced that Paulett Eberhart, President and Chief Executive Officer (CEO), departed the Company upon completion of her contract and entered into an agreement to perform consulting services through the end of 2014; and Robert Larney, CDI’s Chief Financial Officer, agreed to act as interim President and CEO while the Board of Directors conducts an executive search for a permanent replacement.