Condensed Consolidated Income Statements (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Revenues:
Sales of physical commodities	$ 7,830.3	$ 12,421.2
Trading gains, net	51.9	79.9
Commission and clearing fees	42.2	40.0
Consulting and management fees	12.0	8.3
Interest income	1.4	3.3
Other income	0.2	0.1
Total revenues	7,938.0	12,552.8
Cost of sales of physical commodities	7,824.6	12,427.1
Operating revenues	113.4	125.7
Transaction-based clearing expenses	25.2	24.6
Introducing broker commissions	11.6	8.4
Interest expense	2.7	3.5
Net operating revenues	73.9	89.2
Compensation and other expenses:
Compensation and benefits	46.4	46.7
Communication and data services	6.3	5.3
Occupancy and equipment rental	3.0	2.9
Professional fees	4.4	3.7
Travel and business development	2.8	3.0
Depreciation and amortization	1.9	1.8
Bad debts and impairments	0.4	0.4
Other	4.7	6.6
Total compensation and other expenses	69.9	70.4
Income from operations, before tax	4.0	18.8
Income tax expense	1.5	5.5
Net income	$ 2.5	$ 13.3
Basic earnings per share:
Basic net income per common share	$ 0.13	$ 0.70
Diluted earnings per share:
Diluted net income per common share	$ 0.12	$ 0.68
Weighted-average number of common shares outstanding:
Basic weighted-average number of common shares outstanding	18,657,678	18,266,338
Diluted weighted-average number of common shares outstanding	19,358,442	18,778,675