Goodwill And Other Intangible Assets (Changes In The Carrying Amounts Of Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Roll Forward]
Net goodwill, beginning of period	$ 822.2	$ 791.3
Additions for current year acquisitions	28.1	11.5
Adjustments to prior year acquisitions	(0.2)	0.8
Impairment charge	0.0	(1.3)	$ (3.7)
Foreign currency translation adjustment	(16.3)	19.9
Gross goodwill	1,156.5
Accumulated impairment losses	(322.7)
Net goodwill, end of period	833.8	822.2	791.3
Residential Products
Goodwill [Roll Forward]
Net goodwill, beginning of period	368.2	352.8
Additions for current year acquisitions	1.3	7.6
Adjustments to prior year acquisitions	(0.2)	0.8
Impairment charge	0.0	0.0	0.0
Foreign currency translation adjustment	(5.8)	7.0
Gross goodwill	363.5
Accumulated impairment losses	0.0
Net goodwill, end of period	363.5	368.2	352.8
Industrial Products
Goodwill [Roll Forward]
Net goodwill, beginning of period	70.8	71.9
Additions for current year acquisitions	0.0	0.0
Adjustments to prior year acquisitions	0.0	0.0
Impairment charge	0.0	(1.3)	0.0
Foreign currency translation adjustment	(0.1)	0.2
Gross goodwill	76.1
Accumulated impairment losses	(5.4)
Net goodwill, end of period	70.7	70.8	71.9
Furniture Products
Goodwill [Roll Forward]
Net goodwill, beginning of period	196.2	187.9
Additions for current year acquisitions	0.0	3.9
Adjustments to prior year acquisitions	0.0	0.0
Impairment charge	0.0	0.0	0.0
Foreign currency translation adjustment	(3.1)	4.4
Gross goodwill	443.7
Accumulated impairment losses	(250.6)
Net goodwill, end of period	193.1	196.2	187.9
Specialized Products
Goodwill [Roll Forward]
Net goodwill, beginning of period	187.0	178.7
Additions for current year acquisitions	26.8	0.0
Adjustments to prior year acquisitions	0.0	0.0
Impairment charge	0.0	0.0	(3.7)
Foreign currency translation adjustment	(7.3)	8.3
Gross goodwill	273.2
Accumulated impairment losses	(66.7)
Net goodwill, end of period	$ 206.5	$ 187.0	$ 178.7