v3.26.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)
$ in Millions
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss, Net of Taxes
Retained Earnings
Balance, beginning of period (in shares) at Oct. 31, 2024   62,200,000      
Balance, beginning of period at Oct. 31, 2024   $ 0.6 $ 527.4 $ (19.1) $ 1,272.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans (in shares)   500,000      
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans   $ 0.0 (7.1)    
Share-based compensation expense     26.8    
Repurchase of common stock, including excise tax (in shares) (970,000) (1,000,000.0)      
Repurchase of common stock, including excise tax $ (48.3) $ 0.0 (48.5)    
Other comprehensive (loss) / income       1.0  
Net income 127.6       127.6
Dividends          
Common stock [1]         (49.4)
Stock issued under share-based compensation plans         (1.4)
Balance, end of period (in shares) at Jul. 31, 2025   61,700,000      
Balance, end of period at Jul. 31, 2025 $ 1,830.9 $ 0.6 498.6 (18.1) 1,349.7
Balance, beginning of period (in shares) at Apr. 30, 2025   62,300,000      
Balance, beginning of period at Apr. 30, 2025   $ 0.6 516.3 (17.2) 1,324.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans (in shares)   0      
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans   $ 0.0 1.4    
Share-based compensation expense     8.1    
Repurchase of common stock, including excise tax (in shares) (560,000) (600,000)      
Repurchase of common stock, including excise tax $ (27.1) $ 0.0 (27.2)    
Other comprehensive (loss) / income       (0.9)  
Net income 41.8       41.8
Dividends          
Common stock [1]         (16.5)
Stock issued under share-based compensation plans         (0.3)
Balance, end of period (in shares) at Jul. 31, 2025   61,700,000      
Balance, end of period at Jul. 31, 2025 $ 1,830.9 $ 0.6 498.6 (18.1) 1,349.7
Balance, beginning of period (in shares) at Oct. 31, 2025 60,176,611 60,200,000      
Balance, beginning of period at Oct. 31, 2025 $ 1,785.6 $ 0.6 437.4 (20.5) 1,368.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans (in shares)   600,000      
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans   $ 0.0 (7.2)    
Share-based compensation expense     25.2    
Repurchase of common stock, including excise tax (in shares) (2,130,000) (2,100,000)      
Repurchase of common stock, including excise tax $ (94.1) $ 0.0 (94.7)    
Other comprehensive (loss) / income       2.6  
Net income $ 131.6       131.6
Dividends          
Common stock [1]         (51.2)
Stock issued under share-based compensation plans         (1.6)
Balance, end of period (in shares) at Jul. 31, 2026 58,614,592 58,600,000      
Balance, end of period at Jul. 31, 2026 $ 1,790.2 $ 0.6 360.7 (17.9) 1,446.8
Balance, beginning of period (in shares) at Apr. 30, 2026   58,600,000      
Balance, beginning of period at Apr. 30, 2026   $ 0.6 350.8 (17.4) 1,414.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans (in shares)   0      
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans   $ 0.0 1.5    
Share-based compensation expense     8.5    
Repurchase of common stock, including excise tax (in shares) 0 0      
Repurchase of common stock, including excise tax $ 0.0 $ 0.0 0.0    
Other comprehensive (loss) / income       (0.5)  
Net income $ 49.7       49.7
Dividends          
Common stock [1]         (17.0)
Stock issued under share-based compensation plans         (0.3)
Balance, end of period (in shares) at Jul. 31, 2026 58,614,592 58,600,000      
Balance, end of period at Jul. 31, 2026 $ 1,790.2 $ 0.6 $ 360.7 $ (17.9) $ 1,446.8
[1] Cash dividends declared per common share were $0.290 and $0.265 for the three months ended July 31, 2026 and 2025, respectively, and $0.870 and $0.795 for the nine months ended July 31, 2026 and 2025, respectively.