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Summary of Significant Accounting Policies - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 USD ($) estimate | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Jan. 01, 2019 USD ($)
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Restricted cash | $ 0.0 | $ 3.8 |  |
Restricted Cash, Current, Asset, Statement of Financial Position [Extensible List] | us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents |  |
Property, plant and equipment — net | $ 288.9 | $ 303.7 |  |
Number of estimates upon which the product liability reserves are based | estimate | 2 |  |  |
Research and development costs | $ 35.2 | 37.9 | $ 44.5 |
Other income (expense) – net | (11.5) | (6.8) | (7.0) |
Engineering, selling and administrative expenses | 251.6 | 245.3 | 270.4 |
Operating cash flows | 513.0 | 324.9 | 626.2 |
Investing cash flows | 534.4 | 381.3 | 414.2 |
Accounting Standards Update 2017-07 |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Other income (expense) – net |  | 7.3 | 10.3 |
Engineering, selling and administrative expenses |  | 7.3 | 10.3 |
Accounting Standards Update 2016-15 |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Operating cash flows |  | 402.8 | 453.9 |
Investing cash flows |  | 402.8 | $ 453.9 |
Accounting Standards Update 2016-02 | Subsequent Event | Minimum |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Increase in right of use assets |  |  |  | $ 49.0
Increase in short-term lease obligations |  |  |  | 10.0
Increase in long-term lease obligations |  |  |  | 38.0
Accounting Standards Update 2016-02 | Subsequent Event | Maximum |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Increase in right of use assets |  |  |  | 53.0
Increase in short-term lease obligations |  |  |  | 13.0
Increase in long-term lease obligations |  |  |  | $ 41.0
Assets Leased to Others |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Property, plant and equipment — net | $ 49.4 | $ 54.3 |  |

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- Definition The aggregate total costs related to engineering, selling and administrative expenses. Engineering expenses pertains to improving existing products and developing new products, selling administrative expenses relate to selling a firm's product and services, as well as all other general and administrative expenses. It includes direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products. Finally general and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References No definition available. + Details
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