Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended		1 Months Ended	3 Months Ended		12 Months Ended	1 Months Ended	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Apr. 30, 2012 Albany Door Systems [Member]	Jun. 30, 2012 Albany Door Systems [Member]	Mar. 31, 2012 Albany Door Systems [Member]	Dec. 31, 2011 Albany Door Systems [Member]	May 31, 2012 PrimaLoft Products [Member]	Jun. 30, 2012 PrimaLoft Products [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business					$ 5,000,000			$ 130,000,000	$ 38,000,000
Gain on sale of discontinued business	34,709,000		92,677,000				58,000,000			35,000,000
Adjustments to the sale transaction						(300,000)
Pre-tax gain receivable						17,400,000
Noncurrent portion of purchase price						13,000,000
Noncurrent portion of purchase price, at present value						12,500,000
Cash held in escrow										$ 4,000,000