Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Goodwill (Details)

v3.3.1.900
Goodwill and Intangible Assets - Goodwill (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Goodwill [Roll Forward]    
Beginning Balance $ 60,479 $ 53,074
Goodwill acquired during the year 0 7,590
Fair value adjustments (403) (641)
Currency effects (991) (826)
Ending Balance 59,085 60,479
Goodwill impairment (1,016) (1,016)
Purchase accounting adjustments 801  
Deferred tax liabilities, goodwill and intangible assets $ 160  
Percent of goodwill fair value that exceeds carrying value (at least) 13.00%  
Impairment of goodwill $ 0 0
Minimum    
Goodwill [Roll Forward]    
Intangible assets amortization period 1 year  
Minimum | Customer contracts    
Goodwill [Roll Forward]    
Intangible assets amortization period 1 year  
Minimum | Customer relationships, noncompete agreements, technology and trade names    
Goodwill [Roll Forward]    
Intangible assets amortization period 4 years  
Maximum    
Goodwill [Roll Forward]    
Intangible assets amortization period 15 years  
Maximum | Customer contracts    
Goodwill [Roll Forward]    
Intangible assets amortization period 5 years  
Maximum | Customer relationships, noncompete agreements, technology and trade names    
Goodwill [Roll Forward]    
Intangible assets amortization period 15 years  
U.S. Regions    
Goodwill [Roll Forward]    
Beginning Balance $ 24,759 24,759
Goodwill acquired during the year 0 0
Fair value adjustments 0 0
Currency effects 0 0
Ending Balance 24,759 24,759
Goodwill impairment 0 0
U.S. Federal    
Goodwill [Roll Forward]    
Beginning Balance 3,375 3,375
Goodwill acquired during the year 0 0
Fair value adjustments 0 0
Currency effects 0 0
Ending Balance 3,375 3,375
Goodwill impairment 0 0
Canada    
Goodwill [Roll Forward]    
Beginning Balance 3,781 $ 4,124
Goodwill acquired during the year 0
Fair value adjustments 0 $ 0
Currency effects (619) (343)
Ending Balance 3,162 3,781
Goodwill impairment (1,016) (1,016)
Other    
Goodwill [Roll Forward]    
Beginning Balance 28,564 20,816
Goodwill acquired during the year 0 7,590
Fair value adjustments (403) (641)
Currency effects (372) (483)
Ending Balance 27,789 28,564
Goodwill impairment 0 $ 0
Integrated-PV    
Goodwill [Roll Forward]    
Ending Balance $ 7,600  
Percent of goodwill fair value that exceeds carrying value (at least) 5.00%