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Related Party and Affiliate Transactions (Details) (Affiliated Entity [Member], USD $) In Thousands, unless otherwise specified | 2 Months Ended
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Sep. 30, 2014
InfraServ Knapsack GmbH & Co. KG [Member] |
Related Party Transaction [Line Items] |
Ownership percentage in provider | 15.00%
InfraServ Knapsack GmbH & Co. KG [Member] | Electricity And Technical Services [Member] |
Related Party Transaction [Line Items] |
Amount of charges incurred during period | $ 11,581
InfraServ Gendorf GmbH & Co. KG [Member] |
Related Party Transaction [Line Items] |
Ownership percentage in provider | 11.00%
InfraServ Gendorf GmbH & Co. KG [Member] | Electricity And Technical Services [Member] |
Related Party Transaction [Line Items] |
Amount of charges incurred during period | $ 10,489

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration