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Adoption of ASC 606 (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Jan. 01, 2018 | Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Net Sales | $ 431.7 | $ 398.2 | $ 1,294.9 | $ 1,183.5 |  |
Accounts receivable, net | 302.9 |  | 302.9 |  | $ 278.2 | $ 253.2
Inventories | 206.8 |  | 206.8 |  | 194.4 | 215.2
Other current assets | 43.1 |  | 43.1 |  | 30.8 | 39.2
Other current liabilities | 76.4 |  | 76.4 |  | 63.3 | 77.0
Deferred income taxes | 11.7 |  | 11.7 |  | 13.4 | 10.4
Other long-term liabilities | 43.8 |  | 43.8 |  | 37.7 | 42.6
Retained earnings | 1,312.7 |  | 1,312.7 |  | 1,189.6 | $ 1,178.2
Cost of goods and services sold | 296.1 | 273.1 | 882.7 | 799.2 |  |
Research and Development Expense | 10.1 | 9.1 | 30.5 | 29.4 |  |
Other (income) expense | (0.2) | (9.5) | 4.0 | 3.1 |  |
Income tax expense | (8.0) | (14.0) | (26.5) | (19.1) |  |
Net income | (55.2) | $ (51.0) | (154.9) | $ (150.7) |  |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Net Sales | 8.2 |  | 0.5 |  |  |
Accounts receivable, net | 25.3 |  | 25.3 |  | 25.0 |
Inventories | (21.7) |  | (21.7) |  | (20.8) |
Other current assets | (11.1) |  | (11.1) |  | (8.4) |
Other current liabilities | (13.8) |  | (13.8) |  | (13.7) |
Deferred income taxes | 2.0 |  | 2.0 |  | 3.0 |
Other long-term liabilities | (4.4) |  | (4.4) |  | (4.9) |
Retained earnings | 8.7 |  | 8.7 |  | $ 11.4 |
Cost of goods and services sold | 5.8 |  | 3.8 |  |  |
Research and Development Expense | 0.1 |  | 0.0 |  |  |
Other (income) expense | 0.2 |  | 0.5 |  |  |
Income tax expense | (0.2) |  | 1.0 |  |  |
Net income | (2.0) |  | 2.7 |  |  |
Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Net Sales | 423.5 |  | 1,294.4 |  |  |
Accounts receivable, net | 277.6 |  | 277.6 |  |  |
Inventories | 228.5 |  | 228.5 |  |  |
Other current assets | 54.2 |  | 54.2 |  |  |
Other current liabilities | 90.2 |  | 90.2 |  |  |
Deferred income taxes | 9.7 |  | 9.7 |  |  |
Other long-term liabilities | 48.2 |  | 48.2 |  |  |
Retained earnings | 1,304.0 |  | 1,304.0 |  |  |
Cost of goods and services sold | 290.3 |  | 878.9 |  |  |
Research and Development Expense | 10.0 |  | 30.5 |  |  |
Other (income) expense | (0.4) |  | 3.5 |  |  |
Income tax expense | (7.8) |  | (27.5) |  |  |
Net income | $ (53.2) |  | $ (157.6) |  |  |

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