Goodwill and Other Intangible Assets (Details) - Goodwill (USD $) In Thousands	9 Months Ended
	Oct. 01, 2011
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	$ 290,136
Accumulated impairment losses, beginning balance	(29,502)
Goodwill, beginning balance	260,634
Goodwill acquired	0
Impairment losses	0
Goodwill related to the sale of business units	0
Goodwill, gross, ending balance	290,136
Accumulated impairment losses, ending balance	(29,502)
Goodwill, ending balance	260,634
Office Furniture [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	123,948
Accumulated impairment losses, beginning balance	(29,359)
Goodwill, beginning balance	94,589
Goodwill acquired	0
Impairment losses	0
Goodwill related to the sale of business units	0
Goodwill, gross, ending balance	123,948
Accumulated impairment losses, ending balance	(29,359)
Goodwill, ending balance	94,589
Hearth Products [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	166,188
Accumulated impairment losses, beginning balance	(143)
Goodwill, beginning balance	166,045
Goodwill acquired	0
Impairment losses	0
Goodwill related to the sale of business units	0
Goodwill, gross, ending balance	166,188
Accumulated impairment losses, ending balance	(143)
Goodwill, ending balance	$ 166,045