Other Expenses (Tables)

3 Months Ended

Dec. 31, 2013

Other Expenses [Abstract]

Schedule of Other Operating Cost and Expense, by Component [Table Text Block]

Other expenses for the three months ended December 31, 2013 and 2012 consisted of the following:

	Three Months Ended December 31,
(in millions)	2013		2012
Contingent consideration, net(1)	$	0.2	$	0.7
Insurance	0.5		0.5
Advertising, meetings and conferences	0.4		0.4
Non-trading hardware and software maintenance and software licensing	0.7		0.6
Office supplies and printing	0.3		0.3
Other clearing related expenses	0.4		0.4
Other non-income taxes	1.0		1.1
Other	1.2		2.6
Total other expenses	$	4.7	$	6.6

(1) Contingent consideration includes remeasurement of contingent liabilities related to business combinations accounted for in accordance with the provisions of the Business Combinations Topic of the ASC (see Note 3).