Proceedings Under Chapter 11 of The Bankruptcy Code - Narrative (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Jun. 11, 2013
Reorganizations [Abstract]
DIP, amount arranged	$ 500.0	$ 500.0

Amount debtor-in-possession financing arranged (but not necessarily all borrowed).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 90-7

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_DebtorInPossessionFinancingAmountArranged
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant