Commitments And Contingencies (Schedule Of Settlement And Defense Costs) (Detail) (USD $)	3 Months Ended				9 Months Ended				12 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013		Dec. 31, 2013
Loss Contingencies [Line Items]
Pre-tax cash payments					$ 46,193,000		$ 48,314,000
Asbestos Commitments and Contingencies
Loss Contingencies [Line Items]
Settlement / indemnity costs incurred (1)	3,200,000	[1]	9,000,000	[1]	18,500,000	[1]	23,200,000	[1]	31,600,000
Defense costs incurred (1)	13,300,000	[1]	15,800,000	[1]	43,000,000	[1]	44,700,000	[1]	59,100,000
Total costs incurred	16,500,000		24,800,000		61,400,000		67,900,000		90,800,000
Settlement / indemnity payments	6,700,000		10,600,000		19,100,000		29,500,000		37,800,000
Defense payments	15,500,000		14,800,000		42,900,000		42,600,000		59,500,000
Insurance receipts	(6,800,000)		(6,100,000)		(15,800,000)		(23,800,000)		(34,500,000)
Pre-tax cash payments	$ 15,400,000		$ 19,400,000		$ 46,200,000		$ 48,300,000		$ 62,800,000

[1] Before insurance recoveries and tax effects.