Discontinued Operations (Narrative) (Details) (USD $)	1 Months Ended	3 Months Ended	12 Months Ended
	Jul. 31, 2008	Sep. 30, 2009	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business	$ 45,000,000		$ 130,000,000
(Loss)/income from discontinued operations	5,400,000		15,636,000	9,497,000	(12,061,000)
Charge to operations for return of various working capital items		10,000,000			10,000,000
Tax expense related to cash repatriations				(2,262,000)
Albany Door Systems [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tax expense related to cash repatriations			$ 2,600,000