Goodwill and Intangible Assets (Details) (USD $)
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3 Months Ended | 9 Months Ended | |||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2012
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Goodwill [Roll Forward] | |||||
Balance as of December 31, 2012 | $ 92,052,000 | ||||
Balance as of September 30, 2013 | 92,052,000 | 92,052,000 | |||
Finite-Lived Intangible Assets [Line Items] | |||||
Contract-related | 96,884,000 | 96,884,000 | 96,884,000 | ||
Acquired technologies | 12,400,000 | 12,400,000 | 12,400,000 | ||
Trade name - amortizable | 10,100,000 | 10,100,000 | 10,100,000 | ||
Trade names - indefinite lived | 1,500,000 | 1,500,000 | 1,500,000 | ||
Intangible assets, Total | 120,884,000 | 120,884,000 | 120,884,000 | ||
Accumulated Amortization | (33,170,000) | (33,170,000) | (25,547,000) | ||
Accumulated Impairment Loss | (2,916,000) | (2,916,000) | (2,916,000) | ||
Net Intangible Assets | 84,798,000 | 84,798,000 | 92,421,000 | ||
Amortization of Intangible Assets | 2,500,000 | 2,800,000 | 7,600,000 | 8,400,000 | |
Indefinite-lived Intangible Assets [Line Items] | |||||
Trade names - indefinite lived | 1,500,000 | 1,500,000 | 1,500,000 | ||
Contract-Related [Member]
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Finite-Lived Intangible Assets [Line Items] | |||||
Accumulated Amortization | (27,588,000) | (27,588,000) | (21,923,000) | ||
Accumulated Impairment Loss | (1,416,000) | (1,416,000) | (1,416,000) | ||
Net Intangible Assets | 67,880,000 | 67,880,000 | 73,545,000 | ||
Acquired Technologies [Member]
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Finite-Lived Intangible Assets [Line Items] | |||||
Accumulated Amortization | (2,615,000) | (2,615,000) | (1,769,000) | ||
Accumulated Impairment Loss | 0 | 0 | 0 | ||
Net Intangible Assets | 9,785,000 | 9,785,000 | 10,631,000 | ||
Trade Names - Amortizable [Member]
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Finite-Lived Intangible Assets [Line Items] | |||||
Accumulated Amortization | (2,967,000) | (2,967,000) | (1,855,000) | ||
Accumulated Impairment Loss | 0 | 0 | 0 | ||
Net Intangible Assets | 7,133,000 | 7,133,000 | 8,245,000 | ||
Trade names indefinite lived [Member]
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Finite-Lived Intangible Assets [Line Items] | |||||
Accumulated Amortization | 0 | 0 | 0 | ||
Accumulated Impairment Loss | (1,500,000) | (1,500,000) | (1,500,000) | ||
Net Intangible Assets | 0 | 0 | 0 | ||
Supply Chain Management Group [Member]
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Goodwill [Roll Forward] | |||||
Balance as of December 31, 2012 | 61,169,000 | ||||
Balance as of September 30, 2013 | 61,169,000 | 61,169,000 | 61,169,000 | ||
IT, Energy and Management Consulting Group [Member]
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Goodwill [Roll Forward] | |||||
Balance as of December 31, 2012 | 30,883,000 | ||||
Balance as of September 30, 2013 | $ 30,883,000 | $ 30,883,000 | $ 30,883,000 |