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Financial Instruments (Narrative) (Details) | 12 Months Ended | 48 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Nov. 30, 2021 USD ($) | Nov. 30, 2020 USD ($) | Nov. 30, 2021 USD ($) | Nov. 30, 2021 GBP (£) | Nov. 30, 2021 EUR (€) | Apr. 30, 2020 | Nov. 30, 2019 USD ($)
Derivative [Line Items] |  |  |  |  |  |  |
Maximum time frame for short-term foreign exchange contracts | 18 months |  |  |  |  |  |
Stated Note interest rate |  |  |  |  |  | 2.50% |
Other comprehensive income (loss) expected to be reclassified in income in next 12 months | $ (200,000) |  | $ (200,000) |  |  |  |
Derivative Asset, Fair Value, Gross Asset | $ 35,800,000 | $ 44,500,000 | 35,800,000 |  |  |  |
Customer Concentration Risk | Revenue Benchmark |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Concentration Risk Threshold percentage | 10.00% |  |  |  |  |  |
Foreign Exchange Contracts [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Investment Owned, Foreign Currency Contract, Current Value | $ 583,600,000 | 383,800,000 | 583,600,000 |  |  |  |
Foreign Exchange Contracts [Member] | Other Current Assets [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Notional Amount | 380,800,000 | 27,500,000 | $ 380,800,000 |  |  |  |
Interest Rate Swap [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Interest on interest rate swap contracts |  |  |  |  |  |  | 3.25%
Derivative Instrument Basis Spread Increase On Variable Rate |  |  | 1.22% |  |  |  |
Derivative, Notional Amount |  |  |  |  |  |  | $ 100,000,000
Interest Rate Contracts [Member] | Other Current Assets [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Notional Amount | 350,000,000 | $ 350,000,000.0 | $ 350,000,000 |  |  |  |
Short-term Contract with Customer |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Investment Foreign Currency, Contracts, Foreign Currency Amount | $ 209,700,000 |  | $ 209,700,000 |  |  |  |
Maximum [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Maturity period for remaining foreign currency contracts (in months) |  | 18 months |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Maturity period for remaining foreign currency contracts (in months) |  | 1 month |  |  |  |  |
3.25% notes due 11/15/2025(2) |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Medium-term notes due |  |  |  |  |  |  | $ 250,000,000
3.40% notes due 8/15/2027(3) |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Stated Note interest rate | 3.40% |  | 3.40% | 3.40% | 3.40% |  |
3.40% notes due 8/15/2027(3) | Interest Rate Swap II [Member] | Treasury Lock [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Interest on interest rate swap contracts | 3.40% |  | 3.40% | 3.40% | 3.40% |  |
Derivative, Basis Spread on Variable Rate | 0.685% |  | 0.685% | 0.685% | 0.685% |  |
Derivative, Notional Amount | $ 250,000,000 |  | $ 250,000,000 |  |  |  |
3.40% notes due 8/15/2027(3) | Interest Rate Swap [Member] | Treasury Lock [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Notes payable | 750,000,000 |  | 750,000,000 |  |  |  |
Derivative, Notional Amount | 250,000,000 |  | 250,000,000 |  |  |  |
Fair Value Hedges [Member] | Foreign Exchange Contracts [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Investment Owned, Foreign Currency Contract, Current Value | 449,300,000 | $ 212,300,000 | 449,300,000 |  |  |  |
Net Investment Hedging [Member] | Cross Currency Interest Rate Contract I [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 250,000,000 |  | 250,000,000 |  |  |  |
Derivative, Collateral, Obligation to Return Cash | £ |  |  |  | £ 194,100,000 |  |  |
Derivative, Notional Amount | $ 250,000,000 |  | $ 250,000,000 |  |  |  |
Net Investment Hedging [Member] | Cross Currency Interest Rate Contract II [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | £ |  |  |  | 194,100,000 |  |  |
Derivative, Collateral, Obligation to Return Cash | € |  |  |  |  | € 221,800,000 |  |
Derivative, Notional Amount | £ |  |  |  | £ 194,100,000 |  |  |
United States LIBOR [Member] | Net Investment Hedging [Member] | Cross Currency Interest Rate Contract I [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative, Variable Interest Rate | 0.685% |  | 0.685% | 0.685% | 0.685% |  |
Great Britain LIBOR [Member] | Net Investment Hedging [Member] | Cross Currency Interest Rate Contract I [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative, Variable Interest Rate | 0.74% |  | 0.74% | 0.74% | 0.74% |  |
Great Britain LIBOR [Member] | Net Investment Hedging [Member] | Cross Currency Interest Rate Contract II [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative, Variable Interest Rate | 0.74% |  | 0.74% | 0.74% | 0.74% |  |
EURIBOR [Member] | Net Investment Hedging [Member] | Cross Currency Interest Rate Contract II [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative, Variable Interest Rate | 0.808% |  | 0.808% | 0.808% | 0.808% |  |

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