Commitments And Contingencies (Schedule Of Settlement And Defense Costs) (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Loss Contingencies [Line Items]
Pre-tax cash payments			$ 24.8	$ 30.8
Asbestos Commitments and Contingencies
Loss Contingencies [Line Items]
Settlement / indemnity costs incurred (1)	$ 8.9	$ 7.6	16.7	15.2	$ 25.3
Defense costs incurred (1)	10.6	16.9	21.1	29.7	55.9
Total costs incurred	19.5	24.4	37.8	45.0	81.1
Settlement / indemnity payments	5.6	5.6	11.1	12.4	27.3
Defense payments	12.5	16.0	20.6	27.4	57.7
Insurance receipts	(4.0)	(3.8)	(6.9)	(9.0)	(23.8)
Pre-tax cash payments	$ 14.1	$ 17.8	$ 24.8	$ 30.8	$ 61.3