v3.26.1
EQUITY - Summary of the Changes in Equity (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Jun. 27, 2026
Mar. 28, 2026
Dec. 27, 2025
Jun. 28, 2025
Mar. 29, 2025
Dec. 28, 2024
Jun. 27, 2026
Jun. 28, 2025
Schedule of Equity Method Investments [Line Items]                
Dividends declared (USD per share) $ 0.66 $ 0.66 $ 0.66 $ 0.66 $ 0.66 $ 0.66    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Equity beginning balance $ (286.5) $ (500.6) $ (357.5) $ (290.1) $ (479.5) $ (390.6) $ (357.5) $ (390.6)
Net income (loss) 112.2 238.6 (125.0) 149.1 217.5 (69.5) 225.8 297.1
Other comprehensive income (loss) (1.0) 1.2 3.5 1.2 (4.0) 2.5 3.6 (0.2)
Share-based compensation 5.3 13.8 24.3 5.3 8.7 31.4    
Dividends declared (38.9) (38.8) (38.5) (37.5) (39.6) (38.5)    
Treasury share purchases (0.5) (3.3) (8.3)   (2.7) (15.6)    
Treasury share issuances 0.7 2.6 0.9 1.1 9.4 0.8    
Equity ending balance (208.7) (286.5) (500.6) (170.9) (290.1) (479.5) (208.7) (170.9)
Common Shares and Capital in Excess of Stated Value                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Equity beginning balance 346.3 346.9 351.6 343.4 349.1 362.0 351.6 362.0
Share-based compensation 5.3 13.8 24.3 5.3 8.7 31.4    
Treasury share issuances (1.5) (14.4) (29.0) (1.4) (14.5) (44.3)    
Equity ending balance 350.1 346.3 346.9 347.3 343.4 349.1 350.1 347.3
Retained Earnings                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Equity beginning balance 331.0 131.2 294.7 373.7 195.8 303.8 294.7 303.8
Net income (loss) 112.2 238.6 (125.0) 149.1 217.5 (69.5)    
Dividends declared (38.9) (38.8) (38.5) (37.5) (39.6) (38.5)    
Equity ending balance 404.3 331.0 131.2 485.2 373.7 195.8 404.3 485.2
Treasury Shares                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Equity beginning balance (858.8) (872.5) (894.1) (898.4) (919.6) (949.1) (894.1) (949.1)
Treasury share purchases (0.5) (3.3) (8.3)   (2.7) (15.6)    
Treasury share issuances 2.2 17.0 29.9 2.5 23.9 45.1    
Equity ending balance (857.1) (858.8) (872.5) (895.9) (898.4) (919.6) (857.1) (895.9)
Accumulated Other Comprehensive Loss                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Equity beginning balance (105.0) (106.2) (109.7) (108.8) (104.8) (107.3) (109.7) (107.3)
Other comprehensive income (loss) (1.0) 1.2 3.5 1.2 (4.0) 2.5    
Equity ending balance $ (106.0) $ (105.0) $ (106.2) $ (107.5) $ (108.8) $ (104.8) $ (106.0) $ (107.5)