Segment Analysis (Tables)

6 Months Ended

Mar. 31, 2017

Segment Analysis [Abstract]

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

Information for the reportable segments is shown in accordance with the Segment Reporting Topic of the ASC as follows:

	Three Months Ended March 31,					Six Months Ended March 31,
(in millions)	2017			2016		2017			2016
Total revenues:
Commercial Hedging	$	62.7		$	54.7	$	120.2		$	110.1
Global Payments	21.5			17.4		44.6			35.7
Securities	37.9			45.6		75.3			94.4
Physical Commodities	5,276.2			3,550.7		11,174.9			6,805.2
Clearing and Execution Services	64.2			33.3		127.8			63.1
Corporate unallocated	(1.7		)	7.2		(7.6		)	0.3
Total	$	5,460.8		$	3,708.9	$	11,535.2		$	7,108.8
Operating revenues (loss):
Commercial Hedging	$	62.7		$	54.7	$	120.2		$	110.1
Global Payments	21.5			17.4		44.6			35.7
Securities	37.9			45.6		75.3			94.4
Physical Commodities	11.2			7.9		21.0			13.8
Clearing and Execution Services	64.2			33.3		127.8			63.1
Corporate unallocated	(1.7		)	7.2		(7.6		)	0.3
Total	$	195.8		$	166.1	$	381.3		$	317.4
Net operating revenues (loss):
Commercial Hedging	$	50.5		$	43.6	$	96.1		$	87.9
Global Payments	19.1			15.5		39.7			31.8
Securities	24.1			31.8		49.2			67.8
Physical Commodities	9.0			6.8		17.1			11.5
Clearing and Execution Services	25.4			10.4		49.5			20.8
Corporate unallocated	(4.2		)	4.8		(13.4		)	(4.2		)
Total	$	123.9		$	112.9	$	238.2		$	215.6
Net contribution:
(Revenues less cost of sales of physical commodities, transaction-based clearing expenses, variable bonus compensation, introducing broker commissions and interest expense)
Commercial Hedging	$	36.9		$	30.5	$	70.3		$	62.2
Global Payments	15.3			12.4		31.7			25.4
Securities	18.9			25.0		38.7			54.5
Physical Commodities	6.5			5.3		12.3			8.7
Clearing and Execution Services	19.6			8.2		37.6			16.1
Total	$	97.2		$	81.4	$	190.6		$	166.9
Segment income:
(Net contribution less non-variable direct segment costs)
Commercial Hedging	$	18.7		$	13.8	$	34.1		$	28.8
Global Payments	11.7			9.3		24.9			19.3
Securities	11.7			18.2		24.6			40.1
Physical Commodities	3.9			1.9		6.9			2.9
Clearing and Execution Services	7.9			3.5		13.6			7.0
Total	$	53.9		$	46.7	$	104.1		$	98.1
Reconciliation of segment income to income before tax:
Segment income	$	53.9		$	46.7	$	104.1		$	98.1
Net costs not allocated to operating segments	39.6			26.7		81.4			66.0
Income before tax	$	14.3		$	20.0	$	22.7		$	32.1
(in millions)						As of March 31, 2017			As of September 30, 2016
Total assets:
Commercial Hedging						$	1,654.0		$	1,637.5
Global Payments						172.4			191.4
Securities						2,611.0			2,130.7
Physical Commodities						309.1			258.0
Clearing and Execution Services						1,651.2			1,617.4
Corporate unallocated						130.9			115.3
Total						$	6,528.6		$	5,950.3