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Adoption of ASC 606 (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Jan. 01, 2018 | Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Accounts receivable, net | $ 290.4 |  | $ 278.2 | $ 253.2
Inventories | 215.7 |  | 194.4 | 215.2
Other current assets | 37.6 |  | 30.8 | 39.2
Other current liabilities | 69.6 |  | 63.3 | 77.0
Deferred income taxes | 12.3 |  | 13.4 | 10.4
Other long-term liabilities | 35.6 |  | 37.7 | 42.6
Retained earnings | 1,222.8 |  | 1,189.6 | $ 1,178.2
Net sales | 415.7 | $ 387.7 |  |
Cost of goods and services sold | 281.3 | 253.5 |  |
Other expense | 3.1 | 0.9 |  |
Income tax expense | (12.5) | (2.2) |  |
Net income | (43.6) | $ (60.9) |  |
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] |  |  |  |
Accounts receivable, net | 22.8 |  | 25.0 |
Inventories | (19.0) |  | (20.8) |
Other current assets | (8.9) |  | (8.4) |
Other current liabilities | (13.4) |  | (13.7) |
Deferred income taxes | 2.6 |  | 3.0 |
Other long-term liabilities | (4.8) |  | (4.9) |
Retained earnings | 10.5 |  | $ 11.4 |
Net sales | (2.6) |  |  |
Cost of goods and services sold | (1.4) |  |  |
Other expense | 0.1 |  |  |
Income tax expense | 0.4 |  |  |
Net income | 0.9 |  |  |
Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Accounts receivable, net | 267.6 |  |  |
Inventories | 234.7 |  |  |
Other current assets | 46.5 |  |  |
Other current liabilities | 83.0 |  |  |
Deferred income taxes | 9.7 |  |  |
Other long-term liabilities | 40.4 |  |  |
Retained earnings | 1,212.3 |  |  |
Net sales | 418.3 |  |  |
Cost of goods and services sold | 282.7 |  |  |
Other expense | 3.0 |  |  |
Income tax expense | (12.9) |  |  |
Net income | $ (44.5) |  |  |

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