Segment Analysis (Tables)

3 Months Ended

Dec. 31, 2018

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 December 31,
(in millions)	2018			2017
Total revenues:
Commercial Hedging	$	59.8		$	61.5
Global Payments	29.7			24.6
Securities	69.0			43.0
Physical Commodities	6,301.8			7,716.6
Clearing and Execution Services	95.2			72.2
Corporate unallocated	(3.3		)	0.7
Total	$	6,552.2		$	7,918.6
Operating revenues (loss):
Commercial Hedging	$	59.8		$	61.5
Global Payments	29.7			24.6
Securities	69.0			43.0
Physical Commodities	14.3			10.6
Clearing and Execution Services	95.2			72.2
Corporate unallocated	(3.3		)	0.7
Total	$	264.7		$	212.6
Net operating revenues (loss):
Commercial Hedging	$	45.3		$	49.1
Global Payments	28.4			23.0
Securities	32.1			23.5
Physical Commodities	10.4			8.4
Clearing and Execution Services	37.5			27.4
Corporate unallocated	(4.7		)	(1.1		)
Total	$	149.0		$	130.3
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	$	30.6		$	36.5
Global Payments	23.1			18.4
Securities	21.8			17.8
Physical Commodities	7.1			5.6
Clearing and Execution Services	29.7			20.5
Total	$	112.3		$	98.8
Segment income:
(Net contribution less non-variable direct segment costs)
Commercial Hedging	$	13.3		$	21.1
Global Payments	18.6			14.6
Securities	16.0			11.0
Physical Commodities	5.9			1.1
Clearing and Execution Services	17.7			10.5
Total	$	71.5		$	58.3
Reconciliation of segment income to income before tax:
Segment income	$	71.5		$	58.3
Net costs not allocated to operating segments	47.1			39.7
Income before tax	$	24.4		$	18.6
(in millions)	As of December 31, 2018			As of September 30, 2018
Total assets:
Commercial Hedging	$	1,901.3		$	1,935.7
Global Payments	200.6			206.6
Securities	4,330.6			3,058.2
Physical Commodities	372.2			413.7
Clearing and Execution Services	1,821.4			2,109.9
Corporate unallocated	84.4			100.6
Total	$	8,710.5		$	7,824.7