Property, Plant and Equipment (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012
Property, Plant and Equipment [Abstract]
Proceeds from disposition of property and equipment	$ 25.6

The value of all consideration given or received by the Entity in the significant acquisition or disposal.

No definition available.

Name:	us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant