Financing Arrangements and Financial Instruments - Fair Value of Derivative Instruments on Balance Sheet (Detail) - USD ($) $ in Millions	Aug. 31, 2025	Nov. 30, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total derivative assets, Fair Value	$ 8.5	$ 42.0
Total derivative liabilities, Fair Value	50.3	50.4
Interest rate contracts | Other current assets / Other long-term assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Notional Amount	0.0	0.0
Interest rate contracts | Other accrued liabilities / Other long-term liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Notional Amount	600.0	600.0
Foreign exchange contracts | Other current assets / Other long-term assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Notional Amount	701.9	374.4
Foreign exchange contracts | Other accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Notional Amount	434.3	659.8
Cross currency contracts | Other current assets / Other long-term assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Notional Amount	508.4	945.5
Cross currency contracts | Other accrued liabilities / Other long-term liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Notional Amount	518.8	0.0
Fair Value, Measurements, Recurring | Interest rate contracts | Other current assets / Other long-term assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate contracts, Fair Value	0.0	0.0
Fair Value, Measurements, Recurring | Interest rate contracts | Other accrued liabilities / Other long-term liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate contracts, Fair Value	24.9	37.9
Fair Value, Measurements, Recurring | Foreign exchange contracts | Other current assets / Other long-term assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency derivatives	3.4	5.2
Fair Value, Measurements, Recurring | Foreign exchange contracts | Other accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency derivatives	5.9	12.5
Fair Value, Measurements, Recurring | Cross currency contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cross currency contracts	5.1	36.8
Cross currency contracts	$ 19.5	$ 0.0