Earnings (Loss) Per Share and Shareholder’s Equity (Schedule Of Reconciliation Of The Numerator And Denominator Of The Basic And Diluted Earnings (Loss) Per Share (EPS) Computations) (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share
Basic	96.5	99.0
Stock-based compensation arrangements	0.9	0.7
Convertible Debt, Share	6.4	5.3
Diluted EPS	103.8	105.0
Income from continuing operations	$ 44.5	$ 39.3
Income from continuing operations, Diluted EPS	$ 44.5	$ 39.3
Income (loss) from continuing operations, per basic share	$ 0.46	$ 0.40
Stock-based compensation arrangements continuing operations, per share	(0.01)	(0.01)
Convertible debt continuing operation, per share	(0.02)	(0.02)
Income (loss) from continuing operations, per diluted share	$ 0.43	$ 0.37
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 0.0	$ 0.1
Income (loss) from discontinued operations, Diluted EPS	$ 0.0	$ 0.1
Income (loss) from discontinued operations, per basic share	$ 0.00	$ 0.00
Stock-based compensation arrangements discontinued operations, per share	0.00	0.00
Convertible Debt, Discontinued Operations, Per Share	0.00	0.00
Income (loss) from discontinued operations, per diluted share	0.00	0.00
Net basic earnings (loss) per share	$ 0.46	$ 0.40
Stock-based compensation arrangements per share, total	(0.01)	(0.01)
Convertible debt discontinuing operation, per share, total	$ (0.02)	$ (0.02)
Net diluted earnings (loss) per share	$ 0.43	$ 0.37