Segment Analysis (Tables)

9 Months Ended

Jun. 30, 2013

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 June 30,					Nine Months Ended June 30,
(in millions)	2013			2012		2013		2012
Total revenues:
Commodity and Risk Management Services	$	10,874.3		$	17,266.8	$	36,497.0	$	51,341.5
Foreign Exchange	19.0			16.5		51.3		47.4
Securities	13.8			8.6		42.7		28.8
Clearing and Execution Services	27.8			27.7		75.5		70.8
Other	105.3			31.3		198.1		104.5
Corporate unallocated	(0.7		)	0.2		7.5		(0.5		)
Total	$	11,039.5		$	17,351.1	$	36,872.1	$	51,592.5
Operating revenues (loss):
Commodity and Risk Management Services	$	56.2		$	67.0	$	173.0	$	182.7
Foreign Exchange	19.0			16.5		51.3		47.4
Securities	13.8			8.6		42.7		28.8
Clearing and Execution Services	27.8			27.7		75.5		70.8
Other	6.0			3.8		15.1		10.5
Corporate unallocated	(0.7		)	0.2		7.5		(0.5		)
Total	$	122.1		$	123.8	$	365.1	$	339.7
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	$	31.2		$	38.3	$	102.9	$	105.1
Foreign Exchange	12.6			11.3		33.2		31.6
Securities	6.3			4.8		22.4		14.4
Clearing and Execution Services	4.5			4.2		11.7		10.5
Other	3.7			2.7		8.9		7.4
Total	$	58.3		$	61.3	$	179.1	$	169.0
Segment income (loss):
(Net contribution less non-variable direct segment costs):
Commodity and Risk Management Services	$	13.8		$	18.9	$	49.1	$	50.0
Foreign Exchange	8.5			7.7		22.5		21.9
Securities	1.8			1.1		9.2		3.0
Clearing and Execution Services	1.7			1.0		1.5		1.6
Other	2.6			1.5		5.9		3.6
Total	$	28.4		$	30.2	$	88.2	$	80.1
Reconciliation of segment income to income from operations, before tax:
Segment income	$	28.4		$	30.2	$	88.2	$	80.1
Costs not allocated to operating segments	24.3			24.3		63.9		71.3
Income from operations, before tax	$	4.1		$	5.9	$	24.3	$	8.8
(in millions)	As of June 30, 2013			As of September 30, 2012
Total assets:
Commodity and Risk Management Services	$	1,258.5		$	1,449.2
Foreign Exchange	145.1			124.5
Securities	169.1			88.7
Clearing and Execution Services	1,186.8			1,090.9
Other	42.7			110.8
Corporate unallocated	105.2			94.8
Total	$	2,907.4		$	2,958.9