Segment Analysis Segment Analysis (Tables)

3 Months Ended

Dec. 31, 2012

Segment Analysis [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Information concerning operations in these segments of business is shown in accordance with the Segment Reporting Topic of the ASC as follows:

	Three Months Ended December 31,
(in millions)	2012			2011
Total revenues:
Commodity and Risk Management Services	$	12,619.8		$	17,202.0
Foreign Exchange	16.2			17.9
Securities	12.9			9.9
Clearing and Execution Services	22.4			17.7
Other	39.5			45.2
Corporate unallocated	8.7			(2.3		)
Total	$	12,719.5		$	17,290.4
Operating revenues (loss):
Commodity and Risk Management Services	$	60.7		$	50.0
Foreign Exchange	16.2			17.9
Securities	12.9			9.9
Clearing and Execution Services	22.4			17.7
Other	4.8			3.1
Corporate unallocated	8.7			(2.3		)
Total	$	125.7		$	96.3
Net contribution:
(Revenues less cost of sales, clearing and related expenses, variable bonus compensation, introducing broker commissions and interest expense):
Commodity and Risk Management Services	$	40.5		$	29.8
Foreign Exchange	10.4			11.7
Securities	6.9			4.5
Clearing and Execution Services	3.6			2.5
Other	2.8			2.1
Total	$	64.2		$	50.6
Segment income (loss):
(Net contribution less non-variable direct segment costs):
Commodity and Risk Management Services	$	22.7		$	13.1
Foreign Exchange	7.1			9.0
Securities	3.2			1.1
Clearing and Execution Services	(0.9		)	(0.1		)
Other	1.9			0.8
Total	$	34.0		$	23.9
Reconciliation of segment income to income (loss) from operations, before tax:
Segment income	$	34.0		$	23.9
Costs not allocated to operating segments	15.2			24.6
Income (loss) from operations, before tax	$	18.8		$	(0.7	)
(in millions)	As of December 31, 2012			As of September 30, 2012
Total assets:
Commodity and Risk Management Services	$	1,422.1		$	1,449.2
Foreign Exchange	134.7			124.5
Securities	137.7			88.7
Clearing and Execution Services	1,032.4			1,090.9
Other	95.0			110.8
Corporate unallocated	117.7			94.8
Total	$	2,939.6		$	2,958.9