Quarterly report pursuant to Section 13 or 15(d)

Business Segments and Customer Information (Details)

v2.4.0.8
Business Segments and Customer Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Segment Reporting Information [Line Items]    
Number of reportable operating segments 4  
Revenues $ 119,409 $ 119,157
Operating Income 11,357 9,942
Federal Group [Member]
   
Segment Reporting Information [Line Items]    
Revenues 28,555 27,571
Operating Income 329 1,131
International Group [Member]
   
Segment Reporting Information [Line Items]    
Revenues 34,715 35,390
Operating Income 2,389 1,693
IT, Energy and Management Consulting Group [Member]
   
Segment Reporting Information [Line Items]    
Revenues 15,516 18,493
Operating Income 1,453 1,239
Supply Chain Management Group [Member]
   
Segment Reporting Information [Line Items]    
Revenues 40,623 37,703
Operating Income 7,821 6,155
Corporate/unallocated [Member]
   
Segment Reporting Information [Line Items]    
Operating Income $ (635) $ (276)