Business	6 Months Ended
Jun. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business	Business CDI Corp. and its subsidiaries (the “Company” or “CDI”) seek to create extraordinary outcomes with its clients by delivering solutions based on highly skilled and professional talent. CDI’s business is comprised of four segments: Enterprise Talent, Specialty Talent and Technology Solutions, Engineering Solutions and Management Recruiters International (MRI). CDI’s client offerings include an array of engineering design project solutions, information technology project solutions and managed services, specialty technology staff augmentation, and program and managed staffing services. CDI's clients are corporations in multiple industries, including energy, chemicals, infrastructure, aerospace, industrial equipment, technology, as well as municipal and state governments, and the United States (U.S.) Department of Defense. CDI has offices and delivery centers in the U.S., Canada and the United Kingdom (UK). In addition, CDI provides recruiting and staffing services through its global MRINetwork^® of franchisees.

Business

6 Months Ended

Jun. 30, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

CDI Corp. and its subsidiaries (the “Company” or “CDI”) seek to create extraordinary outcomes with its clients by delivering solutions based on highly skilled and professional talent. CDI’s business is comprised of four segments: Enterprise Talent, Specialty Talent and Technology Solutions, Engineering Solutions and Management Recruiters International (MRI). CDI’s client offerings include an array of engineering design project solutions, information technology project solutions and managed services, specialty technology staff augmentation, and program and managed staffing services. CDI's clients are corporations in multiple industries, including energy, chemicals, infrastructure, aerospace, industrial equipment, technology, as well as municipal and state governments, and the United States (U.S.) Department of Defense. CDI has offices and delivery centers in the U.S., Canada and the United Kingdom (UK). In addition, CDI provides recruiting and staffing services through its global MRINetwork^® of franchisees.