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Accumulated Other Comprehensive Income (Loss) | 3 Months Ended
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Aug. 31, 2025
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) The following tables summarize the activity in Accumulated other comprehensive income (loss), net of tax, by component, for the periods indicated:
| Three months ended August 31, 2025
| Foreign currency translation adjustments | Retirement benefit plans | Total
Beginning balance at June 1, 2025 | $ | (36.0) |  |  | $ | (5.5) |  |  | $ | (41.5) |  |
Other comprehensive income (loss) before reclassifications |  | 3.5 |  |  |  | — |  |  |  | 3.5 |  |
Less: amount reclassified from Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |  |
Amortization of net actuarial (gain) loss (net of tax of $0.0) |  | — |  |  |  | 0.4 |  |  |  | 0.4 |  |
Amortization of prior service (credit) cost (net of tax of $0.1) |  | — |  |  |  | (0.1) |  |  |  | (0.1) |  |
Other comprehensive income (loss) |  | 3.5 |  |  |  | 0.3 |  |  |  | 3.8 |  |
Ending balance at August 31, 2025 | $ | (32.5) |  |  | $ | (5.2) |  |  | $ | (37.7) |  |
| Three months ended August 31, 2024
| Foreign currency translation adjustments | Retirement benefit plans | Total
Beginning balance at June 1, 2024 | $ | (46.9) |  |  | $ | (5.6) |  |  | $ | (52.5) |  |
Other comprehensive income (loss) before reclassifications |  | 8.2 |  |  |  | — |  |  |  | 8.2 |  |
Less: amount reclassified from Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |  |
Amortization of net actuarial (gain) loss (net of tax of $0.0) |  | — |  |  |  | 0.3 |  |  |  | 0.3 |  |
Amortization of prior service (credit) cost (net of tax of $0.1) |  | — |  |  |  | (0.1) |  |  |  | (0.1) |  |
Other comprehensive income (loss) |  | 8.2 |  |  |  | 0.2 |  |  |  | 8.4 |  |
Ending balance at August 31, 2024 | $ | (38.7) |  |  | $ | (5.4) |  |  | $ | (44.1) |  |
The following table presents the impact on earnings of reclassifications out of Accumulated other comprehensive income (loss) for the periods indicated:
| Three months ended |  | Condensed Consolidated Statements of Operations line item
| August 31, | August 31, |  |
| 2025 | 2024 |  |
Employee benefit plans: |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of net actuarial loss | $ | 0.4 |  |  | $ | 0.3 |  |  |  |  |  |  |  |  | Other components of net periodic benefit (cost)
Amortization of prior service (credit) loss |  | (0.2) |  |  |  | (0.2) |  |  |  |  |  |  |  |  | Other components of net periodic benefit (cost)
Less: Tax effect |  | 0.1 |  |  |  | 0.1 |  |  |  |  |  |  |  |  | Provision (benefit) for income taxes
Total cost, net of tax | $ | 0.3 |  |  | $ | 0.2 |  |  |  |  |  |  |  |  |

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