Quarterly report pursuant to Section 13 or 15(d)

Other Severance Expense (Details)

v3.10.0.1
Other Severance Expense (Details)
$ in Millions
3 Months Ended
Mar. 31, 2018
USD ($)
position
Dec. 31, 2017
employee
Mar. 31, 2017
USD ($)
position
Restructuring Cost and Reserve [Line Items]      
Number of positions eliminated | position 70   40
Wood Flooring      
Restructuring Cost and Reserve [Line Items]      
Number of positions eliminated | employee   300  
Selling, general and administrative expenses      
Restructuring Cost and Reserve [Line Items]      
Severance expenses $ 3.1   $ 4.6
Selling, general and administrative expenses | Resilient Flooring      
Restructuring Cost and Reserve [Line Items]      
Severance expenses 1.9   2.7
Selling, general and administrative expenses | Wood Flooring      
Restructuring Cost and Reserve [Line Items]      
Severance expenses $ 1.2   $ 1.9