Other Expenses (Tables)

12 Months Ended

Sep. 30, 2018

Other Expenses [Abstract]

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

Other expenses for the years ended September 30, 2018, 2017, and 2016 are comprised of the following:

	Year Ended September 30,
(in millions)	2018		2017		2016
Contingent consideration, net(1)	$	—	$	0.1	$	0.4
Insurance	2.6		2.7		2.1
Advertising, meetings and conferences	6.2		4.0		5.1
Office supplies and printing	1.7		2.1		1.2
Other clearing related expenses	2.5		2.6		1.3
Other non-income taxes	4.9		4.6		4.3
Other	8.4		9.8		7.9
Total other expenses	$	26.3	$	25.9	$	22.3

⁽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).