Income Taxes (Difference Between Effective Income Tax Rate And U.S. Statutory Rate) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Federal tax rate		35.00%
Income tax expense at 35% of income from continuing operations, before income taxes		$ (30.9)	$ (52.8)	$ (29.2)
State tax, net of federal benefit		1.1	(3.9)	(1.3)
Differences in rates of foreign operations		5.4	(1.2)	3.3
Changes in valuation allowances		(6.9)	(3.1)	(0.9)
U.S. research and development credit		1.0	2.1	0
Tax benefits on certain foreign investments	(5.4)	13.4	0	0
Uncertain tax positions		(0.9)	0.5	0.1
U.S. tax settlements		2.8	0	0
Domestic manufacturing deduction		2.2	1.5	0
Other, net		1.6	(1.2)	(2.1)
Income tax expense		$ (11.2)	$ (58.1)	$ (30.1)