Fair Value of Financial Instruments (Details 4) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2015	Sep. 30, 2014
Impact on income statement of derivative instruments designated as cash flow and net investment hedging instruments
Amount of Gain or (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)	$ 14,721	$ (900)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(1,159)	(5,346)
Interest rate swaps \| Cash Flow Hedges:
Impact on income statement of derivative instruments designated as cash flow and net investment hedging instruments
Amount of Gain or (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)	(438)	(2,166)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(1,159)	(5,346)
Cross currency swaps \| Net Investment Hedges:
Impact on income statement of derivative instruments designated as cash flow and net investment hedging instruments
Amount of Gain or (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)	$ 15,159	$ 1,266

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4D

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624177-113959

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

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