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Other Income and Expenses (Tables)
12 Months Ended
Sep. 30, 2021
Other Income and Expenses [Abstract]  
Restructuring and Related Costs
Activity in accrued restructuring, reported as part of other current liabilities, is presented below.
202120202019
(in millions)
Beginning balance$2.8 $1.7 $0.9 
   Expenses incurred$5.4 $4.8 $6.6 
   Amounts paid$(5.1)$(3.7)$(5.8)
Ending balance$3.1 $2.8 $1.7