Segment Results (Reconciliation Of Total Consolidated Operating Income To Earnings Before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Segment Results [Abstract]
Total consolidated operating income	$ 18.3	$ 35.8
Interest expense	21.9	11.2
Other non-operating expense	0.3	1.3
Other non-operating (income)	(4.4)	(0.6)
Earnings from continuing operations before income taxes	$ 0.5	$ 23.9