XML 23 R55.htm IDEA: XBRL DOCUMENT v2.4.0.6
GOODWILL AND INTANGIBLE ASSETS (Details 3) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Dec. 31, 2011
Webforge
Dec. 31, 2011
Engineered Infrastructure Products segment:
Dec. 25, 2010
Engineered Infrastructure Products segment:
Dec. 31, 2011
Utility Support Structures segment
Dec. 25, 2010
Utility Support Structures segment
Dec. 26, 2009
Utility Support Structures segment
Dec. 31, 2011
Coatings segment
Dec. 25, 2010
Coatings segment
Dec. 31, 2011
Irrigation segment
Dec. 26, 2009
Irrigation segment
Dec. 31, 2011
Other
Dec. 25, 2010
Other
Goodwill                            
Goodwill of North American Communication reporting unit     $ 64,500                      
Carrying amount of goodwill                            
Balance at the beginning of the period 314,847 178,320   152,062 55,338 77,141 77,141 77,141 64,868 43,777 2,064 2,064 18,712  
Impairment (276)                   (276)      
Acquisition 788 135,296     95,843         20,906 788     18,547
Foreign currency translation (697) 1,231   (504) 881       (48) 185     (145) 165
Balance at the end of the period $ 314,662 $ 314,847   $ 151,558 $ 152,062 $ 77,141 $ 77,141 $ 77,141 $ 64,820 $ 64,868 $ 2,576 $ 2,064 $ 18,567 $ 18,712