Armstrong World Industries' loss under GAAP for 9 months of 2020 amounted to $121.9 million, against a profit of $166.8 million in the previous year. Revenue decreased by 11.8% to $698.2 million, against $791.2 million a year earlier.
Armstrong World Industries' loss under GAAP for 9 months of 2020 amounted to $121.9 million, against a profit of $166.8 million in the previous year. Revenue decreased by 11.8% to $698.2 million, against $791.2 million a year earlier. 
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