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Recently Adopted and Issued Accounting Standards (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017 | Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Cost of sales | [1],[2] | $ 757.0 | $ 696.8 |  |
Other (expense) income, net | [1],[2] | (12.0) | (1.8) |  |
Increase (decrease) in financing activities | [3] | (216.2) | (44.5) |  |
Reduction to retained earnings |  | $ (1,502.9) |  | $ (1,735.2) |
ASU 2017-07 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Cost of sales |  |  | (0.8) | (6.4) |
Other (expense) income, net |  |  | 0.8 | 16.7 |
ASU 2016-18 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Increase (decrease) in financing activities |  |  | $ 1.2 | $ (25.4) |
ASU 2016-16 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Adoption of ASU 2016-16, Decrease in other assets |  |  |  |  | $ 7.5
Increase in deferred tax assets |  |  |  |  | 4.8
Reduction to retained earnings |  |  |  |  | $ 2.7
[1] | As part of our review of costs included in the corporate segment, amounts related to division operations were identified and reclassified out of other expense, net to cost of sales. The impact for the three months ended March 31, 2017 was $1.9 million.
[2] | Due to the adoption of ASU 2017-07, certain amounts related to defined benefit and other post-employment benefit plans were reclassified from cost of sales to other expense, net. Refer to Note 2, "Recently Adopted and Issued Accounting Standards," in the Notes to Condensed Consolidated Financial Statements for more information.
[3] | Due to the adoption of ASU 2016-18, the Company now is required to include restricted cash as part of the change in the total cash balance. As a result, amounts which were previously classified as cash flows from financing activities have been reclassified as they are recognized in the total change in cash. Refer to Note 2, "Recently Adopted and Issued Accounting Standards," in the Notes to Condensed Consolidated Financial Statements for more information.

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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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