Commitments And Contingencies (Schedule Of Activity Related To Asbestos Claim) (Detail)	3 Months Ended			9 Months Ended		12 Months Ended
	Dec. 31, 2010 Claim	Sep. 30, 2014 Asbestos Commitments and Contingencies	Sep. 30, 2013 Asbestos Commitments and Contingencies	Sep. 30, 2014 Asbestos Commitments and Contingencies Claim	Sep. 30, 2013 Asbestos Commitments and Contingencies Claim	Dec. 31, 2013 Asbestos Commitments and Contingencies Claim	Dec. 30, 2009 Maritime Claims Asbestos Commitments and Contingencies Claim
Loss Contingencies [Line Items]
Beginning claims		49,770	54,969	51,490	56,442	56,442
New claims		738	683	2,078	2,207	2,950
Settlements		(218)	(234)	(772)	(688)	(1,142)
Dismissals		(2,368)	(1,596)	(4,874)	(4,139)	(6,762)
Number Of Activated Maritime Claims		0	0	0	0	2
Ending claims		47,922	53,822	47,922	53,822	51,490
Total number of maritime claims							36,448
NumberOfNewMaritimeClaims	8