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EQUITY - Summary of the Changes in Equity (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Dec. 31, 2022
Jan. 01, 2022
Schedule of Equity Method Investments [Line Items]    
Dividends declared (USD per share) $ 0.66 $ 0.66
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Total equity, beginning balance $ 147.7 $ 1,013.3
Net income (loss) (64.7) (50.0)
Other comprehensive income (loss) (24.6) 5.7
Share-based compensation 20.8 7.3
Dividends declared (37.5) (37.3)
Treasury share purchases (0.8) (129.5)
Treasury share issuances 18.7 22.1
Total equity, ending balance 59.5 831.6
Common Shares and Capital in Excess of Stated Value    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Equity beginning balance 364.0 477.0
Share-based compensation 20.8 7.3
Treasury share issuances (17.2) 2.6
Equity ending balance 367.6 486.9
Retained Earnings    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Equity beginning balance 1,020.1 1,605.1
Net income (loss) (64.7) (50.0)
Dividends declared (37.5) (37.3)
Equity ending balance 917.9 1,517.8
Treasury Shares    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Equity beginning balance (1,091.8) (1,002.4)
Treasury share purchases (0.8) (129.5)
Treasury share issuances 35.9 19.5
Equity ending balance (1,056.7) (1,112.4)
Accumulated Other Comprehensive Loss    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Equity beginning balance (144.6) (66.4)
Other comprehensive income (loss) (24.6) 5.7
Equity ending balance $ (169.3) $ (60.7)