Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Related Transactions Business Acquisitions and Related Transactions - Purchase Price Allocation (Details)

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Business Acquisitions and Related Transactions Business Acquisitions and Related Transactions - Purchase Price Allocation (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Business Acquisition [Line Items]    
Goodwill $ 61,116 $ 53,074
EEX
   
Business Acquisition [Line Items]    
Accounts receivable 1,432  
Costs and estimated earnings in excess of billings 186  
Prepaid expenses and other current assets 156  
Property and equipment 123  
Goodwill 5,154  
Intangible assets 4,830  
Accounts payable (1,064)  
Accrued liabilities (1,103)  
Billings in excess of cost and estimated earnings (648)  
Deferred taxes and other liabilities (12)  
Purchase price $ 9,054