Other Expenses (Tables)

6 Months Ended

Mar. 31, 2021

Other Expenses [Abstract]

Schedule of Other Operating Cost and Expense, by Component

Other expenses consisted of the following, for the periods indicated.

	Three Months Ended March 31,				Six Months Ended March 31,
(in millions)	2021		2020		2021		2020
Insurance	$	1.9	$	1.0	$	3.7	$	2.0
Office supplies and printing	0.4		0.5		0.7		0.9
Other clearing related expenses	1.0		0.6		2.0		1.4
Other non-income taxes	3.5		1.3		7.3		2.6
Contingent consideration, net	0.8		0.1		0.9		0.1
Other	4.5		2.9		8.6		5.5
Total other expenses	$	12.1	$	6.4	$	23.2	$	12.5