Operator
Operator
Good day, ladies and gentlemen, and welcome to the Fourth Quarter 2011 Armstrong World Industries Incorporated Earnings Conference Call. My name is Regina, and I will be your operator for today. At this time all participants are in a listen-only mode. Later we will be conducting a question-and-answer session. (Operator Instructions). Today's event is being recorded for replay purposes. I would now like to turn the conference over to your host for today Mr. Tom Waters, Vice President of Treasury and Investor Relations. Please go ahead sir.