Goodwill And Intangible Assets (Changes To Goodwill) (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Balance at beginning of period		$ 1,191.3	$ 1,249.3	$ 1,249.3
Disposals		0.0	(0.8)
Adjustments to purchase price allocations	$ 0.0		(13.9)
Currency translation and other		(15.7)	$ (43.3)
Balance at end of period	$ 1,175.6	$ 1,175.6		$ 1,191.3