Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

v2.4.0.8
Goodwill and Intangible Assets (Details) (USD $)
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Goodwill [Roll Forward]      
Balance as of December 31, 2013 $ 92,052,000    
Balance as of March 31, 2014 92,052,000    
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, Total 115,804,000   115,804,000
Accumulated Amortization (35,063,000)   (32,522,000)
Accumulated Impairment Loss (1,025,000)   (1,025,000)
Net Intangible Assets 79,716,000   82,257,000
Amortization of Intangible Assets 2,500,000 2,500,000  
Contract-Related [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Contract-related 93,304,000   93,304,000
Accumulated Amortization (28,175,000)   (26,287,000)
Accumulated Impairment Loss (1,025,000)   (1,025,000)
Net Intangible Assets 64,104,000   65,992,000
Acquired Technologies [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Acquired technologies 12,400,000   12,400,000
Accumulated Amortization (3,178,000)   (2,896,000)
Accumulated Impairment Loss 0   0
Net Intangible Assets 9,222,000   9,504,000
Trade Names - Amortizable [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Trade name - amortizable 10,100,000   10,100,000
Accumulated Amortization (3,710,000)   (3,339,000)
Accumulated Impairment Loss 0   0
Net Intangible Assets 6,390,000   6,761,000
Supply Chain Management Group [Member]
      
Goodwill [Roll Forward]      
Balance as of December 31, 2013     61,169,000
Balance as of March 31, 2014 61,169,000   61,169,000
IT, Energy and Management Consulting Group [Member]
      
Goodwill [Roll Forward]      
Balance as of December 31, 2013     30,883,000
Balance as of March 31, 2014 $ 30,883,000   $ 30,883,000