Restructuring and Restructuring Related Charges (Restructuring-Related Costs by Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	$ 7.6	$ 12.4	$ 1.3
Residential Products
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	3.3	1.4	0.0
Industrial Products
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	1.0	0.2	0.8
Furniture Products
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	$ 3.3	$ 10.8	$ 0.5