Discontinued Operations (Schedule of Major Categories of Assets and Liabilities) (Details) (Albany Door Systems [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Albany Door Systems [Member]
Assets of Discontinued Operations:
Cash		$ 13,545
Accounts receivable, net of allowance for doubtful accounts	1,197	35,120
Inventories	1,309	12,661
Property, plant and equipment, net	279	6,344
Goodwill and intangibles		39,227
Other current and noncurrent assets	90	5,114
Total assets of discontinued operation	2,875	112,011
Liabilities of Discontinued Operations:
Accounts payable	2,638	8,300
Accrued liabilities		10,883
Other current liabilities	37	1,763
Liabilities for defined benefit pension plans		9,513
Other noncurrent liabilities		4,552
Total liabilities of discontinued operation	$ 2,675	$ 35,011