Income Taxes Income Taxes (Unrecognized Tax Positions) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Apr. 15, 2016
Income Tax Contingency [Line Items]
Increase in Unrecognized Tax Benefits is Reasonably Possible	$ 39.6
Undistributed Earnings of Foreign Subsidiaries				$ 120.0
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	(3.30%)	0.20%	(2.70%)
Effective Income Tax Rate Reconciliation, Deduction, Percent	(2.20%)	(2.00%)	(1.50%)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	(4.90%)	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	(3.30%)	(1.90%)	(0.50%)
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 359.9	$ 155.4
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	21.2	6.3
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	(3.4)	(0.1)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense [Abstract]
Unrecognized Tax Benefits, Beginning Of Year	162.9	101.4
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	4.8	63.1
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(4.4)	(19.4)
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	30.0	21.5
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	(0.1)	(2.6)
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	(41.7)	(1.1)
Unrecognized Tax Benefits, End Of Year	367.9	162.9	$ 101.4
Business Acquisition, Acquiree [Domain]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense [Abstract]
Unrecognized Tax Benefits, Beginning Of Year	0.0
Unrecognized Tax Benefits, End Of Year	$ 216.4	$ 0.0
Venezuelan Operations [Member]
Income Tax Contingency [Line Items]
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	0.00%	15.70%	0.00%
Tools [Member]
Income Tax Contingency [Line Items]
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	20.20%	0.00%	0.00%