Goodwill And Intangible Assets (Changes To Intangible Assets) (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Balance at beginning of period, net of accumulated amortization	$ 353.5	$ 408.9
Amortization expense	(23.8)	(37.9)
Currency translation and other	2.7	$ 17.6
Balance at end of period, net of accumulated amortization	$ 327.0