Commitments And Contingencies (Schedule Of Settlement And Defense Costs) (Detail) (USD $)	3 Months Ended						12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Asbestos Commitments and Contingencies		Mar. 31, 2013 Asbestos Commitments and Contingencies		Dec. 31, 2013 Asbestos Commitments and Contingencies	Jul. 31, 2013 Holdsworth [Member] Asbestos Commitments and Contingencies
Loss Contingencies [Line Items]
Jury Verdict Total								$ 3,100,000
Settlement / indemnity costs incurred (1)			7,700,000	[1]	6,800,000	[1]	31,600,000
Defense costs incurred (1)			12,900,000	[1]	13,700,000	[1]	59,100,000
Total costs incurred			20,500,000		20,500,000		90,800,000
Settlement / indemnity payments			6,700,000		9,600,000		37,800,000
Payments For Asbestos Related Defense And Related Fees Costs			11,400,000		13,000,000		59,500,000
Insurance receipts			5,200,000		12,100,000		34,500,000
Pre-tax cash payments	$ 12,925,000	$ 10,493,000	$ 12,900,000		$ 10,500,000		$ 62,800,000

[1] Before insurance recoveries and tax effects.