XML 146 R127.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Pension Plans and Other Post Employment Benefit Plans Target Allocation for Plan Assets (Details) - Pension Plan | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Successor [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets | 100.00% |
Successor [Member] | Fixed Income Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets | 50.00% |
Successor [Member] | Hedge Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets | 2.00% |
Successor [Member] | Private Market Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets | 8.00% |
Successor [Member] | Real Estate [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets | 3.00% |
Successor [Member] | Cash and Cash Equivalents [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets | 2.00% |
Successor [Member] | UNITED STATES | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets | 17.00% |
Successor [Member] | Non-US [Member] | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets | 18.00% |
Predecessor [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets |  | 100.00%
Predecessor [Member] | Fixed Income Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets |  | 33.00%
Predecessor [Member] | Hedge Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets |  | 2.00%
Predecessor [Member] | Private Market Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets |  | 8.00%
Predecessor [Member] | Real Estate [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets |  | 4.00%
Predecessor [Member] | Cash and Cash Equivalents [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets |  | 2.00%
Predecessor [Member] | UNITED STATES | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets |  | 27.00%
Predecessor [Member] | Non-US [Member] | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation for plan assets |  | 24.00%

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(i) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_SuccessorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_PrivateEquityFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GeographicDistributionAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GeographicDistributionAxis=us-gaap_NonUsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_PredecessorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |