Pension And Postretirement Benefits (Components Of Net Periodic Benefits Cost) (Details) - Pension Benefits [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5.2	$ 4.9	$ 6.4
Interest cost	37.9	40.9	36.8
Expected return on plan assets	(62.0)	(62.5)	(52.2)
Amortization of prior service cost	(0.4)	0.1	0.0
Amortization of net (gain) loss	12.3	5.1	13.9
Recognized Curtailments Gain/(Loss)	(5.2)	0.0	(0.3)
Settlement costs	0.8	0.0	0.0
Special termination benefits		0.0	0.0
Net periodic benefit cost	$ (11.4)	$ (11.5)	$ 4.6