v3.26.1
Capital Stock and Stock-Based Awards (Tables)
12 Months Ended
May 31, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of capital stock
Capital stock consisted of the following as of May 31, 2026:
Class A StockCommon StockPreferred Stock
Authorized3,171,900 70,000,000 2,000,000 
Reserved for Issuance— 4,074,031 — 
Outstanding828,100 17,920,321 — 
Schedule of share-based compensation activity
The following table sets forth the intrinsic value of stock options exercised, pretax stock-based compensation cost and related tax benefits for the Company's equity plans for the fiscal years ended May 31:
202620252024
Total intrinsic value of stock options exercised$8.0 $0.5 $6.4 
Total stock-based compensation cost (pretax)8.5 9.3 11.0 
Tax benefits (shortfalls) related to stock-based compensation cost0.6 (2.5)5.0 
Weighted average grant date fair value per option$6.91 $11.92 $11.53 
Schedule of stock option activity
The following table sets forth the stock option activity under the Company's equity plans for the fiscal year ended May 31, 2026:
OptionsWeighted
Average
Exercise Price
Average Remaining
Contractual
Term (in years)
Aggregate
Intrinsic Value (in millions)
Outstanding at May 31, 20252,663,798 $30.90   
Granted18,092 21.38   
Exercised(779,167)24.23   
Expired, canceled and forfeited(146,038)41.57   
Outstanding at May 31, 20261,756,685 $32.87 2.6$14.2 
Exercisable at May 31, 20261,655,574 $32.79 2.4$13.6 
Schedule of restricted stock unit activity
The following table sets forth the restricted stock unit award activity for the fiscal years ended May 31:
 202620252024
Granted413,736 410,392 177,867 
Weighted average grant date price per unit$25.88 $31.04 $37.81 
The following table sets forth the MSPP RSUs activity for the fiscal years ended May 31:
 202620252024
MSPP RSUs allocated7,990 7,250 15,149 
Purchase price per unit$12.77 $21.49 $27.86 
Schedule of nonvested restricted stock unit activity
The following table sets forth the restricted stock unit and MSPP RSUs activity for the year ended May 31, 2026:
Restricted stock units and MSPP RSUs Weighted
Average grant
date fair value
Nonvested as of May 31, 2025589,226 $31.14 
Granted421,726 18.40 
Vested(265,217)31.11 
Forfeited(69,682)29.85 
Nonvested as of May 31, 2026676,053 $27.82 
Schedule of employee stock purchase plan activity
The following table sets forth the ESPP share activity for the fiscal years ended May 31:
 202620252024
Shares issued88,428 109,015 79,458 
Weighted average purchase price per share$23.61 $21.85 $32.38