Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details)

v2.4.0.8
Business Segment Information (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Segment Reporting Information [Line Items]    
Revenues $ 100,731 $ 110,136
Interest income 13 14
Interest expense 1,181 518
Depreciation and amortization of intangible assets 4,805 5,048
Unallocated corporate activity (8,068) (6,229)
Income before Income Taxes and Unallocated Corporate Expenses (449) 3,682
U.S. Regions
    
Segment Reporting Information [Line Items]    
Revenues 41,006 54,698
Depreciation and amortization of intangible assets 314 463
Unallocated corporate activity 0 0
Income before Income Taxes and Unallocated Corporate Expenses 284 2,112
U.S. Federal
    
Segment Reporting Information [Line Items]    
Revenues 11,350 12,963
Depreciation and amortization of intangible assets 272 237
Unallocated corporate activity 0 0
Income before Income Taxes and Unallocated Corporate Expenses 0 661
Canada
    
Segment Reporting Information [Line Items]    
Revenues 16,299 13,660
Interest income 1 14
Interest expense 412 158
Depreciation and amortization of intangible assets 406 354
Unallocated corporate activity 0 0
Income before Income Taxes and Unallocated Corporate Expenses (1,359) (730)
Small Scale Infrastructure
    
Segment Reporting Information [Line Items]    
Revenues 11,149 10,344
Interest income 12 0
Interest expense 769 360
Depreciation and amortization of intangible assets 2,958 3,457
Unallocated corporate activity 0 0
Income before Income Taxes and Unallocated Corporate Expenses 672 1,138
All Other
    
Segment Reporting Information [Line Items]    
Revenues 20,927 18,471
Interest income 0 0
Interest expense 0 0
Depreciation and amortization of intangible assets 855 537
Unallocated corporate activity 0 0
Income before Income Taxes and Unallocated Corporate Expenses $ (46) $ 501