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v3.21.2

Other Income and Expenses (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2018
Restructuring Costs | $ 5.6 | $ 2.5 |  |
Research and Development Expense | 17.1 | 15.0 | $ 14.3 |
Advertising Expense | 3.2 | 3.3 | 7.1 |
Interest Costs Capitalized | (2.3) | (0.3) | (3.0) |
Interest Expense, Other | 0.3 | 0.3 | 0.2 |
Interest Expense | 23.8 | 26.6 | 23.3 |
Interest Income, Other | (0.4) | (1.1) | (3.5) |
Interest expense, net | 23.4 | 25.5 | 19.8 |
Amortization of Debt Issuance Costs | 1.1 | 1.2 | 1.2 |
Severance Costs | 3.2 |  |  |
Other, net | 1.3 | 3.7 | 2.4 |
Restructuring Reserve | 3.1 | 2.8 | 1.7 | $ 0.9
Restructuring Charges | 5.4 | 4.8 | 6.6 |
Payments for Restructuring | (5.1) | (3.7) | (5.8) |
Inventory Write-down | 5.9 | 4.7 | 3.4 |
Severance Costs | 3.2 |  |  |
Other, net | 1.3 | 3.7 | 2.4 |
Inventory Write-down | 5.9 | 4.7 | 3.4 |
Aurora/Surrey |  |  |  |
Restructuring Costs | 14.0 |  |  |
Severance Costs | 4.8 |  |  |
Other Restructuring Costs | 9.2 |  |  |
Other, net | 3.6 |  |  |
Inventory Write-down | 2.4 |  |  |
Severance Costs | 4.8 |  |  |
Other Restructuring Costs | 9.2 |  |  |
Other, net | 3.6 |  |  |
Inventory Write-down | 2.4 |  |  |
Albertville |  |  |  |
Restructuring Costs | 2.1 |  |  |
5.5% Senior Notes |  |  |  |
Interest Expense, Debt | 17.6 | 24.8 | 24.8 |
ABL Agreement |  |  |  |
Interest Expense, Debt | 0.9 | 0.6 | 0.6 |
4.0% Senior Notes |  |  |  |
Interest Expense, Debt | $ 6.2 | $ 0.0 | $ 0.0 |

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