Other Expenses (Notes)

3 Months Ended

Dec. 31, 2016

Other Expenses [Abstract]

Other Expenses [Text Block]

Other Expenses

Other expenses for the three months ended December 31, 2016 and 2015 consisted of the following:

	Three Months Ended December 31,
(in millions)	2016		2015
Contingent consideration, net	$	—	$	0.2
Insurance	0.5		0.4
Advertising, meetings and conferences	0.9		0.7
Non-trading hardware and software maintenance and software licensing	2.9		1.5
Office supplies and printing	0.6		0.3
Other clearing related expenses	0.4		0.2
Other non-income taxes	1.1		1.0
Other	2.1		2.0
Total other expenses	$	8.5	$	6.3