Commitments and Contingencies (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Asbestos Litigation [Member] Claims	Jan. 30, 2012 Asbestos Litigation [Member] Claims	Dec. 31, 2010 Asbestos Litigation [Member] Claims	Dec. 31, 2009 Asbestos Litigation [Member] Claims	Dec. 31, 2008 Asbestos Litigation [Member] Claims	Dec. 31, 2007 Asbestos Litigation [Member] Claims	Dec. 31, 2006 Asbestos Litigation [Member] Claims	Dec. 31, 2005 Asbestos Litigation [Member] Claims	Dec. 31, 2004 Asbestos Litigation [Member] Claims	Jan. 30, 2012 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] Claims	Dec. 31, 2011 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] Claims	Dec. 31, 2010 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] Claims	Dec. 31, 2009 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] Claims	Dec. 31, 2008 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] Claims	Dec. 31, 2007 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] Claims	Dec. 31, 2006 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] Claims	Dec. 31, 2005 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] Claims	Dec. 31, 2004 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] Claims	Dec. 31, 2003 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member]	Dec. 31, 2011 NAFTA Audits [Member] Audits	Dec. 31, 2011 NAFTA Audits [Member] Pending Litigation [Member] Audits	Dec. 31, 2011 NAFTA Audits [Member] Threatened Litigation [Member] Audits
Operating leases
Rental expense	$ 5,800,000	$ 7,400,000	$ 7,600,000
Due in 2012	4,100,000
Due in 2013	2,900,000
Due in 2014	1,600,000
Due in 2015	700,000
Due in 2016	600,000
Due thereafter	200,000
Number of claims				4,446	4,427	5,170	8,945	18,385	18,798	19,416	24,451	29,411	7,878	7,877	7,869	7,907	8,664	8,740	9,114	9,566	9,985
Total resolved claims, by means of settlement or dismissal					36,305,000								9,721
Total cost of resolution					8,453,500								200,000
Resolution costs paid by insurance carrier					100.00%																100.00%	88.20%
Confirmed insurance coverage				130,000,000
Percent of resolution costs paid by entity																						11.80%
Number of audits																							36	28	8
Amount of duties under examination																							2,500,000
Liability for duties, minimum																							8,000,000
Liability for duties, maximum																							$ 10,000,000
Liability for duties, maximum, percent																							900.00%