Income Taxes (Schedule of Deferred Tax Accounts) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Inventory and accounts receivable, deferred tax asset	$ 17.7	$ 20.3
Fixed assets and intangibles, deferred tax asset	35.3	39.2
Deferred Tax Liability Operating Lease Liabilities	140.2	0.0
Deferred Tax Asset Operating Lease right-of-use assets	(140.2)	0.0
Postemployment and other benefit liabilities, deferred tax asset	392.5	386.1
Product liability, deferred tax asset	70.0	95.1
Other reserves and accruals, deferred tax asset	157.1	147.6
Net operating losses and credit carryforwards, deferred tax asset	659.2	589.9
Other, deferred tax asset	40.6	34.9
Gross deferred tax assets	1,512.6	1,313.1
Deferred tax valuation allowances	(373.7)	(332.2)	$ (344.6)	$ (184.5)
Deferred tax assets net of valuation allowances	1,138.9	980.9
Inventory and accounts receivable, deferred tax liability	20.0	18.6
Fixed assets and intangibles, deferred tax liability	1,358.3	1,220.9
Postemployment and other benefit liabilities, deferred tax liability	11.0	9.7
Other reserves and accruals, deferred tax liability	12.5	11.8
Deferred Tax Liability Product Liability	0.0	(1.2)
Deferred Tax Liability undistributed earnings of foreign subsidiaries	(39.3)	(39.5)
Other, deferred tax liability	(22.2)	(10.6)
Deferred Tax Liabilities, Gross	(1,603.5)	(1,312.3)
Gross deferred tax liability	$ (464.6)	$ (331.4)