Financial Arrangements and Financial Instruments - Fair Value of Derivative Instruments on Balance Sheet (Detail) - USD ($) $ in Millions | May 31, 2020 | Nov. 30, 2019 | May 31, 2019 |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Total derivative assets, Fair Value | $ 68.3 | $ 27.4 | $ 26.1 |
Total derivative liabilities, Fair Value | 14.3 | 3.6 | 9.3 |
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 | | | 12.1 |
Derivative Asset, Notional Amount | | 350 | 350 |
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 | 0 |
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 | 364 | 293.1 | 425.4 |
Foreign exchange contracts | Other accrued liabilities | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Notes subject to interest rate hedge | 7.4 | 196.1 | 102.8 |
Cross currency contracts | Other accrued liabilities | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Notes subject to interest rate hedge | 246.1 | 0 | 247.5 |
Cross currency contracts | Other Long-term Investments [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Derivative Asset, Notional Amount | $ 238.8 | 495.5 | 245.1 |
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 | 0 |
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 | $ 47.1 | | |
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 | 10.3 | 3.3 | 6.9 |
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 | 2.6 | 3.6 | 1.6 |
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 | 7.7 |
Cross currency contracts | 11.7 | | 7.7 |
Fair Value, Measurements, Recurring [Member] | Cross currency contracts | Assets [Member] | | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | | |
Cross currency contracts | $ 10.9 | $ 3.2 | $ 7.1 |