Financial Arrangements and Financial Instruments - Fair Value of Derivative Instruments on Balance Sheet (Detail) - USD ($) $ in Millions | Feb. 29, 2020 | Nov. 30, 2019 | Feb. 28, 2019 |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Total derivative assets, Fair Value | $ 42.4 | $ 27.4 | $ 3.3 |
Total derivative liabilities, Fair Value | 8.6 | 3.6 | 18 |
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 | | | 0.1 |
Derivative Asset, Notional Amount | | 350 | 250 |
Interest rate contracts | Other accrued liabilities | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Interest rate contracts, Fair Value | 0 | | |
Derivative Asset, Notional Amount | 0 | 0 | 100 |
Interest rate contracts | Other Long-term Investments [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Interest rate contracts, Fair Value | | 20.9 | |
Derivative Asset, Notional Amount | 350 | | |
Foreign exchange contracts | Other current assets / Other long-term assets | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Derivative Asset, Notional Amount | 244.1 | 293.1 | 343 |
Foreign exchange contracts | Other accrued liabilities | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Notes subject to interest rate hedge | 273 | 196.1 | 204.8 |
Cross currency contracts | Other accrued liabilities | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Notes subject to interest rate hedge | 243.9 | 0 | 509.8 |
Cross currency contracts | Other Long-term Investments [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Derivative Asset, Notional Amount | $ 247.3 | 495.5 | |
Three Point Two Five Zero Notes Due On Two Thousand Twenty Five [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Stated Note interest rate | 3.25% | | |
Three Point Two Five Zero Notes Due On Two Thousand Twenty Five [Member] | Interest Rate Swap | Treasury Lock [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Derivative, Basis Spread on Variable Rate | 1.22% | | |
Derivative, Fixed Interest Rate | 3.25% | | |
Three Point Two Five Zero Notes Due On Two Thousand Twenty Five [Member] | Interest Rate Swap 3.25% | Treasury Lock [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Notes Payable | $ 250 | | |
Three Point Four Zero Notes Due Two Thousand Twenty Seven [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Stated Note interest rate | 3.40% | | |
Three Point Four Zero Notes Due Two Thousand Twenty Seven [Member] | Interest Rate Swap | Treasury Lock [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Notes Payable | $ 750 | | |
Three Point Four Zero Notes Due Two Thousand Twenty Seven [Member] | Interest Rate Swap 3.40% | Treasury Lock [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Derivative, Basis Spread on Variable Rate | 0.685% | | |
Derivative, Fixed Interest Rate | 3.40% | | |
Fair Value, Measurements, Recurring [Member] | Interest rate contracts | Other accrued liabilities | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Interest rate contracts, Fair Value | | 0 | 4 |
Fair Value, Measurements, Recurring [Member] | Interest rate contracts | Other Long-term Investments [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Interest rate contracts, Fair Value | $ 34.2 | | |
Fair Value, Measurements, Recurring [Member] | Foreign exchange contracts | Other current assets / Other long-term assets | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net | 5.6 | 3.3 | 3.2 |
Fair Value, Measurements, Recurring [Member] | Foreign exchange contracts | Other accrued liabilities | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net | $ 7.6 | 3.6 | 4.8 |
Fair Value, Measurements, Recurring [Member] | Cross currency contracts | Liability [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net | | $ 0 | $ 9.2 |