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Unaudited Condensed Consolidated Statements of Comprehensive Loss (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Other comprehensive income, net of income taxes: |  |  |  |
Income tax on minimum pension liability adjustments | $ (0.1) | $ (0.1) | $ (0.2) | $ (0.3)

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