Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Apr. 19, 2013 Asbestos Litigation [Member] claims	Dec. 31, 2012 Asbestos Litigation [Member] claims	Dec. 31, 2011 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	Apr. 19, 2013 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] claims	Jan. 30, 2013 Asbestos Litigation [Member] Brandon Drying Fabrics, Inc. [Member] claims	Dec. 31, 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]	Mar. 31, 2013 NAFTA Audits [Member] audits	Mar. 31, 2013 NAFTA Audits [Member] Cancelled Litigation [Member] audits	Mar. 31, 2013 NAFTA Audits [Member] Pending Litigation [Member] audits
Loss Contingencies [Line Items]
Number of claims	4,296	4,463	4,446	5,170	8,945	18,385	18,798	19,416	24,451	29,411	7,866		7,867	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	36,567											9,733
Total cost of resolution	$ 8.6											$ 0.2
Resolution costs paid by insurance carrier	100.00%											100.00%										88.20%
Confirmed insurance coverage	$ 125
Percent of resolution costs paid by entity																						11.80%
Number of audits																							36	28	8