Commitments And Contingencies (Schedule Of Settlement And Defense Costs) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Loss Contingencies [Line Items]
Pre-tax cash payments			$ 36.2	$ 46.2
Asbestos Commitments and Contingencies
Loss Contingencies [Line Items]
Settlement / indemnity costs incurred (1)	$ 4.6	$ 3.2	21.3	18.5	$ 25.3
Defense costs incurred (1)	10.2	13.3	31.2	43.0	55.9
Total costs incurred	14.7	16.5	52.5	61.4	81.1
Settlement / indemnity payments	8.4	6.7	19.5	19.1	27.3
Defense payments	9.7	15.5	30.4	42.9	57.7
Insurance receipts	(6.7)	(6.8)	(13.7)	(15.8)	(23.8)
Pre-tax cash payments	$ 11.4	$ 15.4	$ 36.2	$ 46.2	$ 61.3