v3.26.1
Derivative Instruments and Hedging Activities - Balance Sheet (Details) - USD ($)
$ in Millions
May 31, 2026
Nov. 30, 2025
Senior Notes | 4.000% Senior Notes Due 2030    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Stated interest rate 4.00%  
Carrying Value | Designated as Hedging Instrument | Senior Notes | 4.000% Senior Notes Due 2030    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Hedging assets $ 0.0 $ 0.0
Hedging liabilities (553.4) (550.8)
Forward foreign exchange contracts    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Derivative asset, gross asset 29.3 24.5
Derivative asset, gross liability (9.8) (12.8)
Derivative asset, net 19.5 11.7
Derivative liability, gross asset 9.8 12.8
Derivative liability, gross liability (29.6) (31.1)
Derivative liability, net (19.8) (18.3)
Net Amounts of Assets / (Liabilities) (0.3) (6.6)
Forward foreign exchange contracts | Carrying Value | Designated as Hedging Instrument | Cash Flow Hedging    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Derivative asset, net 6.6 5.9
Derivative liability, net (11.0) (11.8)
Forward foreign exchange contracts | Carrying Value | Designated as Hedging Instrument | Balance Sheet Location [Axis]: us-gaap:OtherAccruedLiabilitiesCurrent | Cash Flow Hedging    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Derivative asset, gross liability 0.0 0.0
Derivative liability, gross liability (11.0) (11.8)
Derivative liability, Net Carrying Value (11.0) (11.8)
Forward foreign exchange contracts | Carrying Value | Designated as Hedging Instrument | Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent | Cash Flow Hedging    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Derivative asset, gross asset 6.6 5.9
Derivative liability, gross asset 0.0 0.0
Derivative asset, Net Carrying Value 6.6 5.9
Forward foreign exchange contracts | Carrying Value | Not Designated as Hedging Instrument    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Derivative asset, net 22.7 18.6
Derivative liability, net (18.6) (19.3)
Forward foreign exchange contracts | Carrying Value | Not Designated as Hedging Instrument | Balance Sheet Location [Axis]: us-gaap:OtherAccruedLiabilitiesCurrent    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Derivative asset, gross liability 11.0 11.8
Derivative liability, gross liability (12.0) (13.4)
Derivative liability, Net Carrying Value (1.0) (1.6)
Forward foreign exchange contracts | Carrying Value | Not Designated as Hedging Instrument | Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Derivative asset, gross asset 11.7 6.8
Derivative liability, gross asset (6.6) (5.9)
Derivative asset, Net Carrying Value 5.1 $ 0.9
Long    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Foreign exchange contracts (754.0)  
Short    
Carrying Value, Balance Sheet Location By Contract Type, By Hedging Designation [Line Items]    
Foreign exchange contracts $ (894.5)