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

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