Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended		0 Months Ended	1 Months Ended	12 Months Ended	2 Months Ended	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jan. 11, 2012 Albany Door Systems [Member]	Mar. 31, 2012 Albany Door Systems [Member]	Dec. 31, 2012 Albany Door Systems [Member]	Jun. 29, 2012 PrimaLoft Products [Member]	Jun. 30, 2012 PrimaLoft Products [Member]	Jun. 30, 2013 PrimaLoft Products [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business					$ 130,000,000		$ 122,000,000	$ 38,000,000
Gain on sale of discontinued business		34,709,000		92,677,000					34,900,000
Adjustments to the sale transaction						5,000,000
Other accruals										600,000
Cash held in escrow										$ 3,800,000