XML 15 R17.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Seasonality
6 Months Ended
Jun. 30, 2011
Seasonality  
Seasonality
12. SEASONALITY

The Company's operating results have historically varied from quarter to quarter, in part due to seasonal trends in the demand for Trex®. The Company has historically experienced lower net sales during the fourth quarter because holidays and adverse weather conditions in certain regions reduce the level of home improvement and construction activity.