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Other Expenses
 3 Months Ended
Dec. 31, 2020
Other Expenses [Abstract]  
Other Expenses Other Expenses
Other expenses consisted of the following, for the periods indicated.
Three Months Ended December 31,
(in millions)20202019
Insurance$1.8 $1.0 
Office supplies and printing0.3 0.4 
Other clearing related expenses1.0 0.8 
Other non-income taxes3.8 1.3 
Contingent consideration, net0.1 — 
Other4.1 2.6 
Total other expenses$11.1 $6.1