XML 52 R100.htm IDEA: XBRL DOCUMENT v2.4.0.6
Plant Closures (Details) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2009
Restructuring Cost and Reserve [Line Items]    
Asset impairment charges $ 1,975,000  
PVC Pipe Facilities [Member]
   
Restructuring Cost and Reserve [Line Items]    
Asset impairment charges 1,975,000 3,898,000
Business exit costs 1,389,000 457,000
Carrying value of assets after impairment   $ 2,167,000