Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

v2.4.0.6
Goodwill and Intangible Assets (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Goodwill [Roll Forward]      
Balance as of December 31, 2012 $ 92,052,000    
Balance as of March 31, 2013 92,052,000    
Finite-Lived Intangible Assets [Line Items]      
Contract-related 96,884,000   96,884,000
Acquired technologies 12,400,000   12,400,000
Trade name - amortizable 10,100,000   10,100,000
Trade names - indefinite lived 1,500,000   1,500,000
Intangible assets, Total 120,884,000   120,884,000
Accumulated Amortization (28,088,000)   (25,547,000)
Accumulated Impairment Loss (2,916,000)   (2,916,000)
Net Intangible Assets 89,880,000   92,421,000
Amortization of Intangible Assets 2,500,000 2,800,000  
Indefinite-lived Intangible Assets [Line Items]      
Trade names - indefinite lived 1,500,000   1,500,000
Contract-Related [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Accumulated Amortization (23,811,000)   (21,923,000)
Accumulated Impairment Loss (1,416,000)   (1,416,000)
Net Intangible Assets 71,657,000   73,545,000
Acquired Technologies [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Accumulated Amortization (2,051,000)   (1,769,000)
Accumulated Impairment Loss 0   0
Net Intangible Assets 10,349,000   10,631,000
Trade Names - Amortizable [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Accumulated Amortization (2,226,000)   (1,855,000)
Accumulated Impairment Loss 0   0
Net Intangible Assets 7,874,000   8,245,000
Trade names indefinite lived [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Accumulated Amortization 0   0
Accumulated Impairment Loss (1,500,000)   (1,500,000)
Net Intangible Assets 0   0
Supply Chain Management Group [Member]
      
Goodwill [Roll Forward]      
Balance as of December 31, 2012     61,169,000
Balance as of March 31, 2013 61,169,000   61,169,000
IT, Energy and Management Consulting Group [Member]
      
Goodwill [Roll Forward]      
Balance as of December 31, 2012     30,883,000
Balance as of March 31, 2013 $ 30,883,000   $ 30,883,000