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Income Taxes (Details) - Unrecognized Tax Benefits - USD ($) $ in Millions | 8 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Oct. 31, 2013 | Dec. 31, 2015 | Dec. 31, 2014
Income Tax Examination [Line Items] |  |  |  |
Reductions due to closed statutes |  |  | $ (10.0) |
Unrecognized tax benefits, ending balance |  |  | 112.0 |
Successor [Member] |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Unrecognized tax benefits, beginning balance | $ 0.0 |  | 27.7 | $ 25.6
Additions based on current year tax positions | 0.3 |  | 20.7 | 1.7
Additions based upon prior year tax positions (including acquired uncertain tax positions) | 26.3 |  | 72.2 | 7.4
Reductions due to closed statutes | (1.0) |  | (2.9) | (6.7)
Reductions for settlements and payments | 0.0 |  | (5.5) | (0.3)
Unrecognized tax benefits, ending balance | $ 25.6 |  | $ 112.2 | $ 27.7
Predecessor [Member] |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Unrecognized tax benefits, beginning balance |  | $ 22.7 |  |
Additions based on current year tax positions |  | 0.8 |  |
Additions based upon prior year tax positions (including acquired uncertain tax positions) |  | 0.3 |  |
Reductions due to closed statutes |  | (0.3) |  |
Reductions for settlements and payments |  | 0.0 |  |
Unrecognized tax benefits, ending balance |  | $ 23.5 |  |

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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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