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 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Segment Reporting Information [Line Items]        
Number of reportable operating segments     4  
Revenues $ 119,062 $ 135,671 $ 238,219 $ 275,658
Operating Income 12,701 12,552 22,643 25,045
Federal Group [Member]
       
Segment Reporting Information [Line Items]        
Revenues 28,751 35,670 59,260 69,323
Operating Income 2,491 2,907 3,765 4,669
International Group [Member]
       
Segment Reporting Information [Line Items]        
Revenues 36,239 42,281 71,629 88,045
Operating Income 1,473 1,319 3,166 2,835
IT, Energy and Management Consulting Group [Member]
       
Segment Reporting Information [Line Items]        
Revenues 19,115 24,019 37,608 49,757
Operating Income 2,492 2,867 3,731 5,948
Supply Chain Management Group [Member]
       
Segment Reporting Information [Line Items]        
Revenues 34,957 33,701 69,722 68,533
Operating Income 6,993 5,357 13,005 11,761
Corporate/unallocated [Member]
       
Segment Reporting Information [Line Items]        
Operating Income $ (748) $ 102 $ (1,024) $ (168)