Recent Accounting Guidance (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Inventories	$ 641.8	$ 585.9	$ 608.6
Prepaid expenses and other	116.9	105.6	63.9
Other assets	448.1	426.7	428.6
Other accrued liabilities	407.7	491.5	489.6
Deferred income taxes	167.1	155.9	152.9
Retained earnings (Accumulated deficit)	61.4	(9.3)	(21.4)
Noncontrolling interests	103.0	131.8	131.7
Accounting Standard 2017-07 [Member] | Cost of Goods, Total [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment for ASU 2017-07	0.3
Accounting Standard 2017-07 [Member] | Selling, General and Administrative Expenses [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment for ASU 2017-07	(0.7)
Accounting Standard 2017-07 [Member] | Other Income [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment for ASU 2017-07	0.4
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Inventories	667.2		608.6
Prepaid expenses and other	69.1		63.9
Other assets	450.4		428.6
Other accrued liabilities	405.8		489.6
Deferred income taxes	164.0		152.9
Retained earnings (Accumulated deficit)	46.6		(21.4)
Noncontrolling interests	102.7		$ 131.7
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Inventories	(25.4)	(22.7)
Prepaid expenses and other	47.8	41.7
Other assets	(2.3)	(1.9)
Other accrued liabilities	1.9	1.9
Deferred income taxes	3.1	3.0
Retained earnings (Accumulated deficit)	14.8	12.1
Noncontrolling interests	$ 0.3	$ 0.1