Segment Information (Average Assets For Segments) (Details) (USD $) In Millions	Jun. 30, 2011		Dec. 31, 2010
Total assets	$ 3,094.7		$ 3,001.0
Residential Furnishings [Member]
Total assets	629.7		645.3
Commercial Fixturing & Components [Member]
Total assets	180.8		185.2
Industrial Materials [Member]
Total assets	213.8		211.6
Specialized Products [Member]
Total assets	224.7		207.9
Average Current Liabilities Included In Segment Numbers Above [Member]
Total assets	413.4		381.1
Unallocated Assets [Member]
Total assets	1,372.9	[1]	1,448.6	[1]
Difference Between Average Assets And Period-End Balance Sheet [Member]
Total assets	$ 59.4		$ (78.7)

[1] Primarily goodwill, other intangibles, cash and notes receivable