v3.26.1
Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
May 31, 2026
Equity [Abstract]  
Reclassification out of Accumulated Other Comprehensive Income
The following table presents the impact on earnings of reclassifications out of Accumulated other comprehensive income (loss) for the fiscal years ended May 31:
 202620252024
 UK Pension
Plan		US Postretirement
Benefits		UK Pension
Plan		US Postretirement
Benefits		UK Pension
Plan		US Postretirement
Benefits
Amortization of prior service (credit) loss$0.0 $(0.8)$0.0 $(0.8)$0.0 $(0.8)
Amortization of net actuarial loss (gain)1.7 (0.1)1.4 (0.1)1.3 0.0 
Tax (benefit) expense— 0.2 — 0.2 — 0.2 
Amounts reclassified from Accumulated other comprehensive income (loss)$1.7 $(0.7)$1.4 $(0.7)$1.3 $(0.6)
Schedule of 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:
Foreign currency translation adjustmentsUK Pension
Plan		US Postretirement
Benefits		Total
Balance at May 31, 2024 (1)
$(46.9)$(11.8)$6.2 $(52.5)
Other comprehensive income (loss) before reclassifications$10.9 $(0.6)$0.0 $10.3 
Less: amounts reclassified from Accumulated other comprehensive income (loss) (net of taxes)
     Amortization of net actuarial loss$— $1.4 $(0.1)$1.3 
Amortization of prior service (credit) cost— 0.0 (0.6)(0.6)
Other comprehensive income (loss)10.9 0.8 (0.7)11.0 
Balance at May 31, 2025 (1)
$(36.0)$(11.0)$5.5 $(41.5)
Other comprehensive income (loss) before reclassifications$4.7 $(3.4)$(0.2)$1.1 
Less: amounts reclassified from Accumulated other comprehensive income (loss) (net of taxes)
Cumulative translation adjustment related to sale of equity method investment (2)
3.5 — — 3.5 
     Amortization of net actuarial loss$— $1.7 $(0.1)$1.6 
     Amortization of prior service (credit) cost— 0.0 (0.6)(0.6)
Other comprehensive income (loss)8.2 (1.7)(0.9)5.6 
Balance at May 31, 2026 (1)
$(27.8)$(12.7)$4.6 $(35.9)
(1) Accumulated other comprehensive income (loss) related to the UK Pension Plan and the US Postretirement Benefits are reported net of taxes of $1.5, $1.8 and $2.0 at May 31, 2026, 2025, and 2024, respectively.