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Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jan. 01, 2019 | Jan. 01, 2018
Cost of sales | $ 2,030.0 | $ 1,962.9 | $ 2,114.8 | $ 2,192.5 | $ 2,021.6 | $ 1,894.6 | $ 1,876.8 | $ 1,890.7 | $ 8,300.2 | $ 7,683.7 | $ 7,142.3 |  |
Selling, general and administrative expenses | 225.8 | $ 230.5 | $ 236.0 | $ 253.4 | 240.0 | $ 225.0 | $ 215.1 | $ 219.0 | $ 945.7 | 899.1 | 818.0 |  |
Percentage owned affiliates accounted for under equity method, minimum |  |  |  |  |  |  |  |  | 20.00% |  |  |  |
Percentage owned affiliates accounted for under equity method, maximum |  |  |  |  |  |  |  |  | 50.00% |  |  |  |
Inventory Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories, net | 780.8 |  |  |  | 766.3 |  |  |  | $ 780.8 | 766.3 |  |  | $ 758.9
Inventory, LIFO Reserve | 16.7 |  |  |  | 13.1 |  |  |  | 16.7 | 13.1 |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets | 250.0 |  |  |  | 145.4 |  |  |  | 250.0 | 145.4 |  |  | 154.8
Accounts Payable and Accrued Liabilities |  |  |  |  |  |  |  |  |  |  |  |  | 2,270.4
Retained earnings | 5,336.1 |  |  |  | 4,531.0 |  |  |  | 5,336.1 | 4,531.0 |  |  | 4,532.9
United States |  |  |  |  |  |  |  |  |  |  |  |  |
Inventory Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories, net | $ 137.9 |  |  |  | 147.4 |  |  |  | $ 137.9 | 147.4 |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Standard product warranty term |  |  |  |  |  |  |  |  | 1 year |  |  |  |
Minimum [Member] | Long-term Supply Arrangements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life, Minimum |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Minimum [Member] | Building [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life, Minimum |  |  |  |  |  |  |  |  | 15 years |  |  |  |
Minimum [Member] | Machinery and equipments |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life, Minimum |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Standard product warranty term |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Maximum [Member] | Long-term Supply Arrangements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life, Minimum |  |  |  |  |  |  |  |  | 5 years |  |  |  |
Maximum [Member] | Building [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life, Minimum |  |  |  |  |  |  |  |  | 40 years |  |  |  |
Maximum [Member] | Machinery and equipments |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life, Minimum |  |  |  |  |  |  |  |  | 12 years |  |  |  |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventory Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories, net |  |  |  |  |  |  |  |  |  |  |  |  | (7.4)
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |  |  | 9.4
Accounts Payable and Accrued Liabilities |  |  |  |  |  |  |  |  |  |  |  |  | 0.1
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  |  |  |  |  |  |  |  |  |  |  |  | (1.9)
Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventory Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories, net |  |  |  |  | 766.3 |  |  |  |  | 766.3 |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  | 145.4 |  |  |  |  | 145.4 |  |  |
Accounts Payable and Accrued Liabilities |  |  |  |  | 2,270.3 |  |  |  |  | 2,270.3 |  |  |
Retained earnings |  |  |  |  | $ 4,531.0 |  |  |  |  | 4,531.0 |  |  |
Accounting Standards Update 2018-02 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  |  |  |  |  |  |  |  |  |  |  |  | (14.0)
Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  |  |  |  |  |  |  |  | 4.5 | 4.4 |  |
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  | $ 0.6 | $ 0.5 |  |
Accounting Standards Update 2016-02 [Member] | Scenario, Forecast [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  |  |  |  |  |  |  |  |  | $ 100.0 |
Accounting Standards Update 2016-02 [Member] | Scenario, Forecast [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  |  |  |  |  |  |  |  |  | $ 120.0 |
Accounting Standards Update 2014-09 [Member] | Contract with Customer, Variable Consideration [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  |  |  |  |  |  |  |  |  |  |  |  | 0.1
Accounting Standards Update 2014-09 [Member] | Transferred over Time [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  |  |  |  |  |  |  |  |  |  |  |  | $ (2.0)

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