Accrued Expenses Accrued Expenses (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Accrued Liabilities, Current [Abstract]
Compensation and Benefit Plans	$ 131.7	$ 134.8
Product Warranties	111.3	100.2
Sales Incentives and Discounts	109.8	91.2
Deferred Revenue and Customer Deposits	65.2	62.3
Secured Obligations, Repurchase and Recourse	25.7	24.1
Insurance Reserves	19.5	18.7
Environmental Reserves	11.5	21.7
Interest	8.4	8.4
Real, Personal and Other Non-income Taxes	6.4	6.8
Derivatives	7.4	4.5
Other	66.7	48.6
Total Accrued Expenses	$ 563.6	$ 521.3