Income Taxes - Schedule of Total Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
Jan. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning Balance		$ 5.3
Ending Balance		4.7	$ 5.3
Successor [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning Balance	$ 0.0	5.3	38.9	$ 0.0
Increases related to acquisition		0.0	0.0	11.3
Increases related to positions taken on items from prior years		0.0	0.0	0.0
Decreases related to positions taken on items from prior years		(0.6)	(33.6)	0.0
Increases related to positions taken in the current year		0.0	0.0	27.6
Settlement of uncertain tax positions with tax authorities		0.0	0.0	0.0
Decreases due to expiration of statutes of limitations		0.0	0.0	0.0
Ending Balance		$ 4.7	$ 5.3	38.9
Predecessor [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning Balance	0.0			$ 0.0
Increases related to acquisition	0.0
Increases related to positions taken on items from prior years	0.0
Decreases related to positions taken on items from prior years	0.0
Increases related to positions taken in the current year	0.0
Settlement of uncertain tax positions with tax authorities	0.0
Decreases due to expiration of statutes of limitations	0.0
Ending Balance	$ 0.0

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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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

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from acquisitions.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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