Commitments And Contingencies (Schedule Of Gross Settlement And Defense Costs) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Loss Contingencies [Line Items]
Pre-tax cash payments	$ 77,957,000		$ 79,277,000		$ 66,731,000
Asbestos Commitments And Contingencies [Member]
Loss Contingencies [Line Items]
Settlement / indemnity costs incurred	37,500,000	[1]	50,200,000	[1]	52,700,000	[1]
Defense costs incurred	58,700,000	[1]	55,300,000	[1]	53,900,000	[1]
Total costs incurred	96,100,000		105,500,000		106,600,000
Settlement / indemnity payments	38,000,000		55,000,000		46,900,000
Defense payments	59,800,000		56,500,000		54,400,000
Insurance Receipts	(19,800,000)		(32,200,000)		(34,600,000)
Pre-tax cash payments	$ 78,000,000		$ 79,300,000		$ 66,700,000

[1] Before insurance recoveries and tax effects.