Derivative Instruments - Balance Sheet Location (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 30, 2013
Shareholders Equity [Member]
Derivative [Line Items]
Balance Sheet Location of Interest Rate Swap	Accumulated other comprehensive income
Interest Rate Swap Fair Value	$ 17
Assets [Member]
Derivative [Line Items]
Balance Sheet Location of Interest Rate Swap	Prepaid expenses and other current assets
Interest Rate Swap Fair Value	$ 17

Description of where the interest rate derivatives designated as fair value hedges are reported in the balance sheet.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(n)(7))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1),(d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration