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v3.24.1

Accumulated Other Comprehensive Income (Loss) - Schedule of AOCI Activity (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 29, 2024 | Feb. 28, 2023 | Feb. 29, 2024 | Feb. 28, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance |  |  | $ (55.8) |
Other comprehensive income (loss) before reclassifications | $ (0.4) | $ (1.0) | 1.6 | $ (7.6)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax | (0.4) | (0.2) | (1.0) | (0.4)
Amortization of prior service (credit) cost (net of tax of $0.1) | (0.2) | (0.2) | (0.5) | (0.5)
Other comprehensive income (loss) | (0.2) | (1.0) | 2.1 | (7.7)
Ending balance | (53.7) | (53.1) | (53.7) | (53.1)
Amortization of prior service credit, tax | 0.1 | 0.1 | 0.2 | 0.2
Reclassification adjustment from AOCI, tax | 0.0 | 0.0 | 0.0 | 0.0
Accumulated Other Comprehensive Income (Loss) |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (53.5) | (52.1) | (55.8) | (45.4)
Ending balance | (53.7) | (53.1) | (53.7) | (53.1)
Foreign currency translation adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (48.0) | (51.2) | (50.0) | (44.6)
Other comprehensive income (loss) before reclassifications | (0.4) | (1.0) | 1.6 | (7.6)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax | 0.0 | 0.0 | 0.0 | 0.0
Amortization of prior service (credit) cost (net of tax of $0.1) | 0.0 | 0.0 | 0.0 | 0.0
Other comprehensive income (loss) | (0.4) | (1.0) | 1.6 | (7.6)
Ending balance | (48.4) | (52.2) | (48.4) | (52.2)
Retirement benefit plans |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (5.5) | (0.9) | (5.8) | (0.8)
Other comprehensive income (loss) before reclassifications | 0.0 | 0.0 | 0.0 | 0.0
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax | (0.4) | (0.2) | (1.0) | (0.4)
Amortization of prior service (credit) cost (net of tax of $0.1) | (0.2) | (0.2) | (0.5) | (0.5)
Other comprehensive income (loss) | 0.2 | 0.0 | 0.5 | (0.1)
Ending balance | $ (5.3) | $ (0.9) | $ (5.3) | $ (0.9)

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