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Liability Extinguishment (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Jun. 30, 2013
Liability Extinguishment [Abstract] |
Liability extinguishment | $ 4.3

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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