XML 47 R15.htm IDEA: XBRL DOCUMENT

Seasonality	3 Months Ended
Seasonality	Mar. 31, 2014
Text Block [Abstract]
Seasonality	10. SEASONALITY The Company’s operating results have historically varied from quarter to quarter, often attributable 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.