XML 60 R59.htm IDEA: XBRL DOCUMENT v2.4.0.6
Business Combinations (Details 2) (USD $)
 12 Months Ended 0 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2009
Dec. 31, 2012
Tradename
Minimum
Dec. 31, 2012
Tradename
Maximum
Dec. 31, 2012
Non-compete agreements
Minimum
Dec. 31, 2012
Non-compete agreements
Maximum
Dec. 31, 2012
Customer relationships
Minimum
Dec. 31, 2012
Customer relationships
Maximum
Dec. 31, 2012
Backlog
Mar. 12, 2012
Sprint
Dec. 31, 2012
Sprint
Dec. 31, 2012
Sprint
Tradename
Dec. 31, 2012
Sprint
Non-compete agreements
Dec. 31, 2012
Sprint
Customer relationships
Dec. 31, 2012
Saxon
Sep. 28, 2012
Saxon
Dec. 31, 2012
Saxon
Non-compete agreements
Dec. 31, 2012
Saxon
Customer relationships
Dec. 31, 2012
Saxon
Backlog
Feb. 28, 2013
Q3 Contracting
Dec. 31, 2012
Q3 Contracting
Nov. 17, 2012
Q3 Contracting
Dec. 31, 2012
Q3 Contracting
Tradename
Dec. 31, 2012
Q3 Contracting
Non-compete agreements
Dec. 31, 2012
Q3 Contracting
Customer relationships
Nov. 12, 2010
Rockford
Dec. 31, 2012
Rockford
Mar. 31, 2011
Rockford
2010 earnout target
Dec. 31, 2012
Rockford
2010 earnout target
Apr. 30, 2012
Rockford
2011 earnout target
Dec. 31, 2012
Rockford
2011 earnout target
Dec. 31, 2012
Rockford
Tradename
Dec. 31, 2012
Rockford
Non-compete agreements
Dec. 31, 2012
Rockford
Customer relationships
Dec. 31, 2012
Rockford
Backlog
Acquired intangible assets                                                                        
Amortization Period       3 years 10 years 2 years 5 years 5 years 15 years 9 months                                                    
Fair Value                     $ 3,600,000 $ 3,600,000 $ 700,000 $ 450,000 $ 2,450,000 $ 1,350,000 $ 1,350,000 $ 100,000 $ 1,150,000 $ 100,000   $ 21,550,000 $ 21,550,000 $ 6,650,000 $ 450,000 $ 14,450,000 $ 15,510,000 $ 15,510,000         $ 7,450,000 $ 2,100,000 $ 2,750,000 $ 3,210,000
Period for which goodwill and other intangible assets are deductible for income tax purposes                       15 years       15 years           15 years                            
Goodwill not expected to be deductible for income tax purpose                     9,389,000           810,000           12,562,000       32,079,000 32,079,000                
Pro forma results                                                                        
Percentage of pro forma tax rate used in calculating taxes on income from continuing operations 39.00%                                                                      
Unregistered shares of common stock issued with an acquisition     81,852.78               62,052 62,052                 29,273           1,605,709   494,095 494,095 232,637 232,637        
Revenues 1,673,001 1,674,406                                                                    
Income before provision for income taxes 95,254 90,799                                                                    
Net income attributable to Primoris $ 58,678 $ 54,940                                                                    
Weighted average common shares outstanding:                                                                        
Basic (in shares) 51,403 50,769                                                                    
Diluted (in shares) 51,418 51,215                                                                    
Earnings per share attributable to Primoris:                                                                        
Basic (in dollars per share) $ 1.14 $ 1.08                                                                    
Diluted (in dollars per share) $ 1.14 $ 1.07