Accounts Receivable (Schedule of Accounts Receivable) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Accounts receivable	$ 320,492	$ 381,065
Trade Accounts Receivable [Member]
Accounts receivable	271,440	308,111
Accounts Receivable from Chinese Financial Institution [Member]
Accounts receivable	$ 49,052	$ 72,954

Amount due from customers, clients, or other third-parties, or arising from transactions not separately disclosed, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

No definition available.

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