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Segment Reporting - Table 4 (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets for reportable segments | $ 4,939.6 | [1] |  | $ 4,893.7
Reclassification of noncurrent deferred income tax liabilities to net noncurrent deferred income tax assets | (40.4) |  | $ (45.9) |
Total assets | 4,939.6 | [1] |  | 4,893.7
Operating Segments [Member] |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets for reportable segments | 4,980.0 |  |  | 4,939.6
Total assets | $ 4,980.0 |  |  | $ 4,939.6
[1] | Our consolidated assets as of March 31, 2018 and December 31, 2017 include total assets of variable interest entities of $264.7 million and $264.1 million, respectively, which cannot be used by us to settle the obligations of other entities. Our consolidated liabilities as of March 31, 2018 and December 31, 2017 include total liabilities of the variable interest entities of $52.9 million and $52.5 million, respectively. See Note 3, Variable Interest Entities.

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