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Accumulated Other Comprehensive Loss, Net
12 Months Ended
Sep. 30, 2021
Equity [Abstract]  
Accumulated Other Comprehensive Loss, Net Accumulated Other Comprehensive Loss, Net
Comprehensive income consists of net income and other gains and losses affecting stockholders’ equity that, under U.S. GAAP, are excluded from net income. Other comprehensive loss includes net actuarial losses from defined benefit pension plans and losses on foreign currency translations.
The following table summarizes the changes in accumulated other comprehensive loss for the years ended September 30, 2021, 2020, and 2019.
(in millions)Foreign Currency Translation AdjustmentPension Benefits AdjustmentAccumulated Other Comprehensive Loss, net
Balances as of September 30, 2018$(30.5)$(2.6)$(33.1)
Other comprehensive loss(0.8)(0.8)(1.6)
Amounts reclassified from AOCI, net of tax(0.2)0.1 (0.1)
Other comprehensive loss(1.0)(0.7)(1.7)
Balances as of September 30, 2019$(31.5)$(3.3)$(34.8)
ASU 2018-02 cumulative transition adjustment— (0.7)(0.7)
Adjusted balances as of September 30, 2019(31.5)(4.0)(35.5)
Other comprehensive loss(4.5)(0.2)(4.7)
Amounts reclassified from AOCI, net of tax— 0.1 0.1 
Other comprehensive loss(4.5)(0.1)(4.6)
Balances as of September 30, 2020$(36.0)$(4.1)$(40.1)
Other comprehensive income13.3 1.5 14.8 
Amounts reclassified from AOCI, net of tax— 0.2 0.2 
Other comprehensive income13.3 1.7 15.0 
Balances as of September 30, 2021$(22.7)$(2.4)$(25.1)