Condensed Consolidated Income Statements - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Sales of physical commodities	$ 7,714.4	$ 5,896.0
Trading gains, net	85.8	83.0
Commission and clearing fees	77.8	69.2
Consulting and management fees	16.6	15.7
Interest income	24.0	10.4
Other income	0.0	0.1
Total revenues	7,918.6	6,074.4
Cost of sales of physical commodities	7,706.0	5,888.9
Operating revenues	212.6	185.5
Transaction-based clearing expenses	36.9	33.6
Introducing broker commissions	31.1	28.7
Interest expense	14.3	8.9
Net operating revenues	130.3	114.3
Compensation and other expenses:
Compensation and benefits	77.2	70.6
Communication and data services	8.2	8.9
Occupancy and equipment rental	4.1	3.4
Professional fees	4.7	4.8
Travel and business development	3.5	3.6
Non-trading technology and support	3.1	2.9
Depreciation and amortization	2.7	2.4
Communications	1.4	1.2
Bad debts	1.1	2.5
Other	5.7	5.6
Total compensation and other expenses	111.7	105.9
Income before tax	18.6	8.4
Income tax expense	25.5	2.1
Net income	$ (6.9)	$ 6.3
Earnings per share:
Basic	$ (0.37)	$ 0.34
Diluted	$ (0.37)	$ 0.34
Weighted-average number of common shares outstanding:
Basic	18,419,072	18,248,244
Diluted	18,419,072	18,484,995