Annual report pursuant to Section 13 and 15(d)

SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details)

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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
$ in Millions
 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Allowance for doubtful accounts, early pay discounts, and sales returns      
Valuation and qualifying accounts activity      
Balance at Beginning of Period $ 22.5 $ 21.9 $ 21.4
Charged to Revenue, Costs, and Expense 0.7 1.8 3.2
Charged to Other Accounts 0.2 (0.1) (0.1)
Deductions Net of Recoveries 0.6 (1.1) (2.6)
Balance at End of Period 24.0 22.5 21.9
Allowance for inventory valuation      
Valuation and qualifying accounts activity      
Balance at Beginning of Period 16.2 16.4 17.3
Charged to Revenue, Costs, and Expense 6.6 1.5 1.9
Charged to Other Accounts 1.4 (0.6) (0.4)
Deductions Net of Recoveries 1.4 (1.1) (2.4)
Balance at End of Period $ 25.6 $ 16.2 $ 16.4