Other Expenses (Tables)

9 Months Ended

Jun. 30, 2014

Other Expenses [Abstract]

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

Other expenses for the three and nine months ended June 30, 2014 and 2013 consisted of the following:

	Three Months Ended June 30,				Nine Months Ended June 30,
(in millions)	2014		2013		2014		2013
Contingent consideration, net(1)	$	—	$	0.7	$	0.3	$	1.9
Insurance	0.3		0.4		1.2		1.3
Advertising, meetings and conferences	0.8		0.6		2.5		1.7
Non-trading hardware and software maintenance and software licensing	1.1		0.7		2.6		2.2
Office supplies and printing	0.2		0.3		0.8		1.0
Other clearing related expenses	0.3		0.5		0.9		1.4
Other non-income taxes	1.0		1.9		2.9		4.1
Other	1.5		1.1		4.0		5.2
Total other expenses	$	5.2	$	6.2	$	15.2	$	18.8

(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).