Restatement of Previously Reported Condensed Consolidated Quarterly Financial Statements - Additional Information - USD ($) $ / shares in Units, $ in Millions	3 Months Ended					6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Sep. 30, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Other charges	$ 6.0		$ 8.0			$ 47.0		$ 33.0
Amortization of intangible assets	34.0		32.0			70.0		63.0
Increase (decrease) in inventories						270.0		185.0
Income from continuing operations before income taxes	479.0		659.0			900.0		1,105.0
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	0.0		$ (1.0)			6.0		5.0
Performance share payout			150.00%	100.00%	150.00%
Income from continuing operations, net of tax	$ 371.0		$ 497.0			$ 699.0		$ 828.0
Income from continuing operations, net of tax (in usd per share)	$ 1.51		$ 1.92			$ 2.81		$ 3.19
Environmental remediation charges	$ 0.0		$ 0.0			$ 34.0		$ 0.0
Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating expenses	1.4
Other charges	5.0
Amortization of intangible assets	1.4
Increase (decrease) in health care insurance liabilities	0.5
Income from continuing operations before income taxes	(5.7)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent			2.0					2.0
Allocated share-based compensation expense			6.8	$ (6.8)
Income from continuing operations, net of tax			$ (7.0)					$ (4.0)
Income from continuing operations, net of tax (in usd per share)			$ (0.03)					$ (0.02)
Environmental remediation charges			$ 0.5
Prior Period Reclassification Adjustment, Discontinued Operations To Continuing Operations		$ 4.7	2.5
Compensation							$ (3.5)
Accrued Expenses, Healthcare									$ 3.5
Accrued Vacation		$ 2.2	(0.9)				$ 2.2	$ (0.9)
Severance Costs			3.5
Health Care Expenses			3.5
EMEA | Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in inventories	2.2
Under Amortized Amortization Expense, Understatement of Accrued Liability, Inventory Adjustment | Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income from continuing operations before income taxes	$ 0.3
Under Reported Customer Rebates | Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income from continuing operations before income taxes			1.4					$ 1.8
Incorrect Share Based Compensation Payout Assumptions | Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income from continuing operations before income taxes			(6.8)
Discontinued Operations [Member] | Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income from continuing operations before income taxes			(2.5)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent			1.5
Other Expense
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Environmental remediation charges			$ 0.5