Segment and Geographic Information Total Revenues by Geographic Location (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Revenues	$ 43,768.3	$ 67,959.3	$ 72,891.3
Gross Profit	478.4	454.2	419.1
Long-Lived Assets	17.5	18.9	15.0
UNITED STATES
Revenues	29,062.0	53,398.0	48,165.3
Gross Profit	333.9	293.8	298.0
Long-Lived Assets	9.1	11.5	10.7
Europe [Member]
Revenues	65.6	69.9	35.1
Gross Profit	65.6	69.9	35.1
Long-Lived Assets	5.4	3.8	2.0
South America [Member]
Revenues	51.3	58.2	53.3
Gross Profit	51.3	58.2	53.3
Long-Lived Assets	2.4	2.8	1.6
Asia [Member]
Revenues	14,582.1	14,420.8	24,627.0
Gross Profit	20.3	19.9	27.6
Long-Lived Assets	0.5	0.7	0.6
Other (geographic location) [Member]
Revenues	7.3	12.4	10.6
Gross Profit	7.3	12.4	5.1
Long-Lived Assets	$ 0.1	$ 0.1	$ 0.1

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph b(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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