Equity Equity (Reclassification Adjustments out of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax	[1]	$ 12.5	$ 13.5	$ 25.0	$ 27.1
Gains and losses on cash flow hedges	[2]	(0.3)	0.6		1.0
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax	[1]	0.0	(1.2)	0.1	(2.4)
Earnings before income taxes [Member]
Defined benefit plan reclassification adjustments		8.6	8.6	18.6	16.0
Earnings from continuing operations [Member]
Cash flow hedge reclassification adjustments, net of tax		(0.3)	0.9	0.9	1.2
Total reclassifications from Other comprehensive income (loss), net of tax		8.3	9.5	19.5	17.2
cost of goods sold [Member] | Currency Derivatives
Gains and losses on cash flow hedges			0.3		0.2
Provision for income taxes [Member]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax		0.0		0.0
Other comprehensive income loss reclassification adjustment on defined benefit plans tax		$ (3.9)	$ (3.7)	$ (6.5)	$ (8.7)

[1] Reclassifications of the service cost component of pension and postretirement benefit costs are reflected within Operating income; the remaining components are included within Other income/(expense), net.

[2] Reclassifications of interest rate swaps and locks are reflected within Interest expense; reclassifications of currency derivatives designated as hedges are reflected in Cost of goods sold.