Segment Reporting (Income From Operations And Total Assets) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Income from Operations
Segment income from operations	$ 79.1	$ 108.7	$ 275.8	$ 531.1
Stock compensation (expense) credit	(3.2)	21.0	(10.1)	9.8
Restructuring and other infrequent expenses	0.0	(2.9)	(14.6)	(2.9)
Amortization of intangibles	(10.8)	(10.4)	(32.2)	(30.4)
Income (loss) from operations	79.1	108.7	275.8	531.1
Total Assets
Segment assets	7,071.6		7,071.6		$ 7,395.9
Cash and cash equivalents	425.4	320.9	425.4	320.9	363.7	$ 1,047.2
Receivables from affiliates	119.3		119.3		108.4
Investments in affiliates	403.3		403.3		424.1
Deferred tax assets, other current and noncurrent assets	591.0		591.0		616.6
Intangible assets, net	520.7		520.7		553.8
Goodwill	1,123.7		1,123.7		1,192.8
Consolidated total assets	7,071.6		7,071.6		7,395.9
Operating Segments [Member]
Income from Operations
Segment income from operations	117.8	129.7	413.8	642.9
Income (loss) from operations	117.8	129.7	413.8	642.9
Corporate [Member]
Income from Operations
Corporate expenses	(24.7)	(28.7)	(81.1)	(88.3)
Operating Segments [Member]
Income from Operations
Segment income from operations	117.8	129.7	413.8	642.9
Income (loss) from operations	117.8	$ 129.7	413.8	$ 642.9
Total Assets
Segment assets	3,888.2		3,888.2		4,136.5
Consolidated total assets	$ 3,888.2		$ 3,888.2		$ 4,136.5