Stockholders' Equity And Accumulated Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax [Roll Forward]
Foreign Currency Translation Loss		$ (411.7)	$ (287.8)	$ (161.5)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	[1]	(198.0)	(153.3)	(126.3)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax		1.8	29.4	0.0
Other Comprehensive (Loss) Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax		(196.2)	(123.9)	(126.3)
Foreign Currency Translation Loss		(607.9)	(411.7)	(287.8)
Foreign Exchange Loss, Intercompany		(23.3)	(22.9)	(29.6)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax			39.7
Accumulated Comprehensive Income (Loss), Unrecognized Pension & OPEB Costs [Roll Forward]
Unrecognized Pension & Other Postretirement Costs, net of tax		(422.3)	(511.7)	(483.3)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax		10.0	42.1	(84.1)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax		12.3	47.3	55.7
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax		22.3	89.4	(28.4)
Unrecognized Pension & Other Postretirement Costs, net of tax		(400.0)	(422.3)	(511.7)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax		16.5	74.1	86.4
Accumulated Comprehensive Income (Loss), Derivatives [Roll Forward]
Derivative Hedging Loss, net of tax		0.2	5.1	(0.4)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax		(48.0)	5.3	9.5
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax		10.9	(10.2)	(4.0)
Other Comprehensive (Loss) Income, Derivatives Qualifying as Hedges, Net of Tax		(37.1)	(4.9)	5.5
Derivative Hedging Loss, net of tax		(36.9)	0.2	5.1
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss		(833.8)	(794.4)	(645.2)
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax		(236.0)	(105.9)	(200.9)
Other Comprehensive Income (Loss), Reclassifications To Earnings, Net Of Tax		25.0	66.5	51.7
Current period change, Accumulated Other Comprehensive Loss		(211.0)	(39.4)	(149.2)
Accumulated Other Comprehensive Loss		(1,044.8)	(833.8)	(794.4)
Income Tax Effects Allocated To Comprehensive Income Loss Table [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax		0.0	(10.3)	0.0
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Tax		(19.6)	(41.1)	6.0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax		20.7	(0.6)	(3.9)
Other Comprehensive Income (Loss), Tax		$ 1.1	$ (52.0)	$ 2.1

[1] Includes foreign exchange (losses) gains of $(23.3) million, $(22.9) million and $(29.6) million during 2016, 2015 and 2014, respectively, associated with intercompany loans designated as long-term.