Condensed Consolidated Income Statements (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Sales of physical commodities	$ 6,886.6	$ 9,540.5	$ 23,017.2	$ 33,215.7
Trading gains, net	61.6	60.2	178.0	186.5
Commission and clearing fees	44.5	46.8	134.0	130.2
Consulting and management fees	10.1	9.4	31.6	25.4
Interest income	2.1	2.1	5.4	7.7
Other income	0.2	0.1	0.5	0.4
Total revenues	7,005.1	9,659.1	23,366.7	33,565.9
Cost of sales of physical commodities	6,886.9	9,536.1	23,006.4	33,209.6
Operating revenues	118.2	123.0	360.3	356.3
Transaction-based clearing expenses	28.1	28.9	81.0	82.1
Introducing broker commissions	11.6	11.0	36.0	29.0
Interest expense	2.5	1.8	8.0	5.5
Net operating revenues	76.0	81.3	235.3	239.7
Compensation and other expenses:
Compensation and benefits	49.2	51.6	148.2	148.6
Communication and data services	6.6	5.9	19.0	16.9
Occupancy and equipment rental	2.9	2.9	9.1	9.0
Professional fees	3.5	2.9	11.9	9.7
Travel and business development	2.6	2.6	7.4	7.6
Depreciation and amortization	1.9	2.0	5.5	6.1
Bad debts and impairments	0.1	0.1	0.8	0.2
Other	5.2	6.2	15.2	18.8
Total compensation and other expenses	72.0	74.2	217.1	216.9
Income from continuing operations, before tax	4.0	7.1	18.2	22.8
Income tax expense	0.3	2.0	4.4	5.9
Net income from continuing operations	3.7	5.1	13.8	16.9
(Loss) income from discontinued operations, net of tax	(0.2)	(1.8)	(0.3)	1.2
Net income	$ 3.5	$ 3.3	$ 13.5	$ 18.1
Basic earnings per share:
Income from continuing operations	$ 0.20	$ 0.26	$ 0.73	$ 0.88
(Loss) income from discontinued operations	$ (0.01)	$ (0.08)	$ (0.02)	$ 0.08
Net income per common share	$ 0.19	$ 0.18	$ 0.71	$ 0.96
Diluted earnings per share:
Income from continuing operations	$ 0.19	$ 0.25	$ 0.71	$ 0.86
(Loss) income from discontinued operations	$ (0.01)	$ (0.08)	$ (0.02)	$ 0.07
Net income per common share	$ 0.18	$ 0.17	$ 0.69	$ 0.93
Weighted-average number of common shares outstanding:
Basic	18,443,256	18,480,644	18,560,080	18,377,965
Diluted	18,933,826	18,864,040	19,170,138	18,862,872