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v3.21.4

Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Cost of sales | $ (306,942) | $ (261,159)
Other income (deductions), net | (31,713) | (1,734)
Income before income tax | (26,438) | 1,988
Income taxes | 6,628 | (3,980)
Net loss | (19,810) | (1,992)
Post-retirement benefit plans |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Net loss | (23,415) | (2,124)
Post-retirement benefit plans | Reclassification out of Accumulated Other Comprehensive Income |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Income before income tax | (31,013) | (2,913)
Income taxes | 7,598 | 789
Prior service credit | Reclassification out of Accumulated Other Comprehensive Income |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Cost of sales | 44 | 108
Actuarial losses | Reclassification out of Accumulated Other Comprehensive Income |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Other income (deductions), net | (201) | (3,021)
Settlement loss | Reclassification out of Accumulated Other Comprehensive Income |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Other income (deductions), net | (30,856) |
Derivatives | Reclassification out of Accumulated Other Comprehensive Income |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Income before income tax | (801) | (903)
Income taxes | 195 | 221
Net loss | (606) | (682)
Derivatives | Interest rate swap contracts | Reclassification out of Accumulated Other Comprehensive Income |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Interest expense | $ (801) | $ (903)

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