Segment and Geographic Information (Tables)

12 Months Ended

Sep. 30, 2014

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:

	Year Ended September 30,
(in millions)	2014			2013		2012
Total revenues:
Commercial Hedging	$	224.0		$	202.0	$	230.7
Global Payments	55.4			40.9		39.0
Securities	80.3			70.0		47.6
Physical Commodities	33,552.1			42,052.0		66,264.4
Clearing and Execution Services	113.7			121.3		111.9
Corporate unallocated	(3.1		)	7.2		(0.2		)
Total	$	34,022.4		$	42,493.4	$	66,693.4
Operating revenues (loss):
Commercial Hedging	$	224.0		$	202.0	$	230.7
Global Payments	55.4			40.9		39.0
Securities	80.3			70.0		47.6
Physical Commodities	20.6			26.8		19.1
Clearing and Execution Services	113.7			121.3		111.9
Corporate unallocated	(3.1		)	7.2		(0.2		)
Total	$	490.9		$	468.2	$	448.1
Net operating revenues (loss):
Commercial Hedging	$	180.5		$	163.0	$	194.7
Global Payments	48.2			36.7		35.1
Securities	54.6			48.0		34.5
Physical Commodities	17.9			23.4		16.4
Clearing and Execution Services	29.7			34.1		28.2
Corporate unallocated	(8.9		)	4.5		(2.7		)
Total	$	322.0		$	309.7	$	306.2
Net contribution:
(Revenues less cost of sales, transaction-based clearing expenses, variable bonus compensation, introducing broker commissions and interest expense):
Commercial Hedging	$	132.6		$	119.7	$	138.9
Global Payments	37.6			28.0		27.3
Securities	40.9			37.6		25.8
Physical Commodities	14.1			17.5		11.6
Clearing and Execution Services	24.0			25.9		22.9
Total	$	249.2		$	228.7	$	226.5
Segment income:
(Net contribution less non-variable direct segment costs):
Commercial Hedging	$	67.3		$	57.1	$	75.2
Global Payments	28.3			20.5		21.6
Securities	21.0			19.5		7.7
Physical Commodities	5.9			10.0		5.2
Clearing and Execution Services	6.3			5.9		3.5
Total	$	128.8		$	113.0	$	113.2
Reconciliation of segment income to income from continuing operations, before tax:
Segment income	$	128.8		$	113.0	$	113.2
Costs not allocated to operating segments	102.8			91.8		90.7
Income from continuing operations, before tax	$	26.0		$	21.2	$	22.5

(in millions)	As of September 30, 2014		As of September 30, 2013		As of September 30, 2012
Total assets:
Commercial Hedging	$	1,400.9	$	1,005.1	$	1,120.4
Global Payments	51.9		57.2		53.9
Securities	235.5		204.2		92.2
Physical Commodities	116.8		132.5		426.9
Clearing and Execution Services	1,136.2		1,333.3		1,161.3
Corporate unallocated	98.4		115.7		98.3
Total	$	3,039.7	$	2,848.0	$	2,953.0

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

Information regarding revenues and operating revenues for the years ended September 30, 2014, 2013 and 2012, and information regarding long-lived assets (defined as property, equipment, leasehold improvements and software) as of September 30, 2014, 2013 and 2012 in geographic areas were as follows:

	Year Ended September 30,
(in millions)	2014		2013		2012
Total revenues:
United States	$	19,055.3	$	27,788.0	$	52,142.2
Europe	86.0		65.6		69.9
South America	53.2		51.3		58.2
Asia	14,822.4		14,581.2		14,410.8
Other	5.5		7.3		12.3
Total	$	34,022.4	$	42,493.4	$	66,693.4
Operating revenues:
United States	$	330.4	$	323.9	$	288.1
Europe	86.0		65.6		69.9
South America	53.2		51.3		58.2
Asia	15.8		20.1		19.6
Other	5.5		7.3		12.3
Total	$	490.9	$	468.2	$	448.1
(in millions)	As of September 30, 2014		As of September 30, 2013		As of September 30, 2012
Long-lived assets, as defined:
United States	$	8.5	$	9.1	$	11.5
Europe	5.0		5.4		3.8
South America	2.0		2.4		2.8
Asia	0.3		0.5		0.7
Other	0.1		0.1		0.1
Total	$	15.9	$	17.5	$	18.9