v3.8.0.1

Significant Accounting Policies Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Accumulated other comprehensive income (loss), beginning of period |  | $ (145.8) |  |
Reclassification from AOCI, Current Period, Tax [Abstract] |  |  |  |
Total other comprehensive income (loss), net of income taxes |  | 138.2 | $ (131.4) | $ (113.9)
Accumulated other comprehensive income (loss), end of period |  | (7.6) | (145.8) |
Foreign Currency Translation Adjustment [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Accumulated other comprehensive income (loss), beginning of period |  | (72.6) | 51.2 | 182.9
Other Comprehensive Income (Loss) before Reclassifications Tax [Abstract] |  |  |  |
Increase (decrease) |  | 136.6 | (123.8) | (131.7)
Income tax impact |  | 0.0 | 0.0 | 0.0
Other comprehensive income (loss) before reclassifications, net of income taxes |  | 136.6 | (123.8) | (131.7)
Reclassification from AOCI, Current Period, Tax [Abstract] |  |  |  |
Increase (decrease) |  | 0.0 | 0.0 | 0.0
Income tax impact |  | 0.0 | 0.0 | 0.0
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes |  | 0.0 | 0.0 | 0.0
Total other comprehensive income (loss), net of income taxes |  | 136.6 | (123.8) | (131.7)
Accumulated other comprehensive income (loss), end of period |  | 64.0 | (72.6) | 51.2
Pension Adjustments [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Accumulated other comprehensive income (loss), beginning of period | [1] | (73.2) | (65.6) | (83.4)
Other Comprehensive Income (Loss) before Reclassifications Tax [Abstract] |  |  |  |
Increase (decrease) | [1] | (3.5) | (13.8) | 17.6
Income tax impact | [1] | 0.9 | 2.0 | (5.0)
Other comprehensive income (loss) before reclassifications, net of income taxes | [1] | (2.6) | (11.8) | 12.6
Reclassification from AOCI, Current Period, Tax [Abstract] |  |  |  |
Increase (decrease) | [1],[2] | 5.5 | 5.5 | 6.9
Income tax impact | [1] | (1.3) | (1.3) | (1.7)
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes | [1] | 4.2 | 4.2 | 5.2
Total other comprehensive income (loss), net of income taxes | [1] | 1.6 | (7.6) | 17.8
Accumulated other comprehensive income (loss), end of period | [1] | (71.6) | (73.2) | (65.6)
Accumulated Other Comprehensive Income (Loss) |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Accumulated other comprehensive income (loss), beginning of period |  | (145.8) | (14.4) | 99.5
Other Comprehensive Income (Loss) before Reclassifications Tax [Abstract] |  |  |  |
Increase (decrease) |  | 133.1 | (137.6) | (114.1)
Income tax impact |  | 0.9 | 2.0 | (5.0)
Other comprehensive income (loss) before reclassifications, net of income taxes |  | 134.0 | (135.6) | (119.1)
Reclassification from AOCI, Current Period, Tax [Abstract] |  |  |  |
Increase (decrease) |  | 5.5 | 5.5 | 6.9
Income tax impact |  | (1.3) | (1.3) | (1.7)
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes |  | 4.2 | 4.2 | 5.2
Total other comprehensive income (loss), net of income taxes |  | 138.2 | (131.4) | (113.9)
Accumulated other comprehensive income (loss), end of period |  | $ (7.6) | $ (145.8) | $ (14.4)
[1] | Includes balances relating to non-U.S. employee defined benefit plans, supplemental executive retirement plans and other postretirement employee benefit plans.
[2] | This accumulated other comprehensive income (loss) component is included in the computation of net periodic pension cost (refer to Note 10 for additional details).

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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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