Rendering

Component: (Network and Table)
Network
100790 - Disclosure - Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details)
(http://www.armstrong.com/20161231/taxonomy/role/DisclosurePropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000007431 (http://www.sec.gov/CIK)
Property Plant And Equipment [Abstract]Period [Axis]
2016-12-31
2015-12-31
Property Plant And Equipment [Abstract]
 
 
Land
38,000,000  
38,300,000  
Buildings
261,200,000  
250,400,000  
Machinery and equipment
706,400,000  
669,700,000  
Computer software
18,700,000  
16,800,000  
Construction in progress
90,800,000  
76,700,000  
Less accumulated depreciation and amortization
(445,500,000) 
(403,800,000) 
Net property, plant and equipment
669,600,000  
 
648,100,000