Quarterly report pursuant to Section 13 or 15(d)

Business Segments and Customer Information (Details)

v3.4.0.3
Business Segments and Customer Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2016
USD ($)
Segment
Mar. 31, 2015
USD ($)
Segment Reporting Information [Line Items]    
Number of reportable operating segments | Segment 4  
Revenues $ 143,636 $ 120,791
Operating income 12,741 10,684
Corporate/Unallocated Expenses [Member]    
Segment Reporting Information [Line Items]    
Operating income (853) (683)
Operating Segments [Member] | Supply Chain Management Group [Member]    
Segment Reporting Information [Line Items]    
Revenues 51,143 46,242
Operating income 9,028 8,306
Operating Segments [Member] | Aviation Group [Member]    
Segment Reporting Information [Line Items]    
Revenues 33,546 22,764
Operating income 3,289 2,113
Operating Segments [Member] | Federal Services Group [Member]    
Segment Reporting Information [Line Items]    
Revenues 47,715 37,792
Operating income 389 (267)
Operating Segments [Member] | IT, Energy and Management Consulting Group [Member]    
Segment Reporting Information [Line Items]    
Revenues 11,232 13,993
Operating income $ 888 $ 1,215