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Other Expense Restructuring and Related Charges (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Restructuring Cost and Reserve [Line Items] |  |  |
Severance charges | $ 0.0 | $ 8.9 | $ 0.0
Asset impairment charges, trademark |  | 10.0 |
Asset impairment charges, patent and equipment |  | 7.3 |
Other restructuring charges | 0.0 | 0.2 | 0.0
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Reserve | 2.1 | 5.9 | 0.0
Charges | 0.0 | 26.4 | 0.0
Cash payments | (3.1) | (3.0) |
Non-cash asset write-downs | (0.7) | (17.5) | 0.0
Severance and benefits [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Reserve | 2.1 | 5.9 | 0.0
Charges | (0.7) | 8.9 |
Cash payments | (3.1) | (3.0) |
Non-cash asset write-downs | 0.0 | 0.0 |
Asset-related charges [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Reserve | 0.0 | 0.0 | 0.0
Charges | 0.0 | 17.3 |
Cash payments | 0.0 | 0.0 |
Non-cash asset write-downs | 0.0 | (17.3) |
Other charges [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Reserve | 0.0 | 0.0 | $ 0.0
Charges | 0.7 | 0.2 |
Cash payments | 0.0 | 0.0 |
Non-cash asset write-downs | $ (0.7) | $ (0.2) |

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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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