Equity Equity (Reclassification Adjustments out of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Earnings before income taxes [Member]
Gains and losses on cash flow hedges	$ 2.7	$ 9.6
Defined benefit plan reclassification adjustments	16.2	49.8
Earnings from continuing operations [Member]
Cash flow hedge reclassification adjustments, net of tax	2.5	8.9
Defined benefit plan reclassification adjustments, net of tax	11.0	33.1
Total reclassifications from Other comprehensive income (loss), net of tax	$ 13.5	$ 42.0