Financial Instruments (Narrative) (Details) £ in Millions	12 Months Ended
	Nov. 30, 2024 USD ($)	Nov. 30, 2023 USD ($)	Nov. 30, 2022 USD ($)	Nov. 30, 2024 GBP (£)	Nov. 30, 2024 EUR (€)	Feb. 15, 2023	Mar. 31, 2022 USD ($)
Derivative [Line Items]
Maximum time frame for short-term foreign exchange contracts	12 months
Other comprehensive income (loss) expected to be reclassified in income in next 12 months	$ 100,000
Derivative Asset, Fair Value, Gross Asset	42,000,000.0	$ 27,100,000
Derivative, Gain (Loss) on Derivative, Net	$ 0	$ 0	$ 18,700,000
Customer Concentration Risk | Revenue Benchmark
Derivative [Line Items]
Concentration Risk Threshold percentage	10.00%
Treasury Lock [Member]
Derivative [Line Items]
Derivatives, Notional Amount	$ 250,000,000
Short-term Contract with Customer
Derivative [Line Items]
Investment Foreign Currency, Contracts, Foreign Currency Amount	200,100,000
Cross Currency Swap, Expires November 2025
Derivative [Line Items]
Derivative Asset, Notional Amount	100,000,000
Cross Currency Swap, Expires August 2027
Derivative [Line Items]
Derivative Asset, Notional Amount	250,000,000
Interest Rate Swap [Member] | Treasury Lock [Member]
Derivative [Line Items]
Interest on interest rate swap contracts							1.89%
Notes payable							$ 200,000,000
Derivatives, Notional Amount	100,000,000.0						$ 200,000,000
Credit Facility Expiring June 2024 | Revolving Credit Facility [Member]
Derivative [Line Items]
Credit facility	$ 500,000,000
Debt instrument, term	364 days
3.40% notes due 8/15/2027(2) | Interest Rate Swap [Member] | Treasury Lock [Member]
Derivative [Line Items]
Interest on interest rate swap contracts	3.40%			3.40%	3.40%
Derivative, Basis Spread on Variable Rate	0.907%			0.907%	0.907%
Derivatives, Notional Amount	$ 250,000,000.0
Stated Note interest rate	3.40%			3.40%	3.40%
Notes outstanding	$ 750,000,000
2.5% Notes due April 2030 | Interest Rate Swap [Member] | Treasury Lock [Member]
Derivative [Line Items]
Interest on interest rate swap contracts	2.50%			2.50%	2.50%
Derivative, Basis Spread on Variable Rate	0.684%			0.684%	0.684%
Derivatives, Notional Amount	$ 250,000,000.0
Stated Note interest rate	2.50%			2.50%	2.50%
Notes outstanding	$ 500,000,000
3.25%notes due 11/15/2025(1) | Interest Rate Swap [Member] | Treasury Lock [Member]
Derivative [Line Items]
Interest on interest rate swap contracts	3.25%			3.25%	3.25%
Derivative, Basis Spread on Variable Rate	1.487%			1.487%	1.487%
Notes Payable, Other Payables | 3.25%notes due 11/15/2025(1)
Derivative [Line Items]
Debt Instrument Basis Spread Increase On Variable Rate	1.487%	1.22%		1.487%	1.487%
Stated Note interest rate	3.25%			3.25%	3.25%
Notes outstanding	$ 250,000,000	$ 250,000,000.0
Notes Payable, Other Payables | 2.50% notes due 4/15/2030(3)
Derivative [Line Items]
Stated Note interest rate	2.50%			2.50%	2.50%
Notes outstanding	$ 500,000,000	500,000,000.0
Notes Payable, Other Payables | 2.50% notes due 4/15/2030(3) | Interest Rate Swap [Member]
Derivative [Line Items]
Notes outstanding	250,000,000
Fair value hedges | Foreign Exchange Contracts [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	374,400,000	161,300,000
Net Investment Hedging [Member] | Interest Rate Contracts [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	0	$ 0
Net Investment Hedging [Member] | Interest Rate Swap II [Member] | Cross Currency Interest Rate Contract I [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 250,000,000
Stated Note interest rate	3.25%			3.25%	3.25%
Notes outstanding	$ 250,000,000
Net Investment Hedging [Member] | Interest Rate Swap [Member] | Cross Currency Interest Rate Contract I [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 250,000,000
Derivative, Collateral, Obligation to Return Cash | £				£ 194.1
Net Investment Hedging [Member] | Interest Rate Swap [Member] | Cross Currency Interest Rate Contract II [Member]
Derivative [Line Items]
Derivative, Collateral, Obligation to Return Cash | €					€ 221,800,000
United States LIBOR [Member] | Net Investment Hedging [Member] | Interest Rate Swap [Member] | Cross Currency Interest Rate Contract I [Member]
Derivative [Line Items]
Derivative, Variable Interest Rate	0.907%			0.907%	0.907%
Great Britain LIBOR [Member] | Net Investment Hedging [Member] | Interest Rate Swap [Member] | Cross Currency Interest Rate Contract I [Member]
Derivative [Line Items]
Derivative, Variable Interest Rate		0.685%
EURIBOR [Member] | Net Investment Hedging [Member] | Interest Rate Swap [Member] | Cross Currency Interest Rate Contract II [Member]
Derivative [Line Items]
Derivative, Variable Interest Rate	0.808%			0.808%	0.808%
Great Britain SONIA | Net Investment Hedging [Member] | Cross Currency Interest Rate Contract II [Member]
Derivative [Line Items]
Derivative, Variable Interest Rate	0.574%			0.574%	0.574%
Derivative, Collateral, Obligation to Return Cash | £				£ 184.1
Great Britain SONIA | Net Investment Hedging [Member] | Interest Rate Swap II [Member] | Cross Currency Interest Rate Contract I [Member]
Derivative [Line Items]
Derivative, Variable Interest Rate	0.574%			0.574%	0.574%
Derivative, Collateral, Obligation to Return Cash | £				£ 184.1
Great Britain SONIA | Net Investment Hedging [Member] | Interest Rate Swap [Member] | Cross Currency Interest Rate Contract I [Member]
Derivative [Line Items]
Derivative, Variable Interest Rate	0.859%			0.859%	0.859%
EURO ESTR | Net Investment Hedging [Member] | Cross Currency Interest Rate Contract II [Member]
Derivative [Line Items]
Derivative, Variable Interest Rate	0.667%			0.667%	0.667%
Derivative, Collateral, Obligation to Return Cash | €					€ 219,200,000
USD SOFR | Notes Payable, Other Payables | 2.50% notes due 4/15/2030(3) | Interest Rate Swap II [Member]
Derivative [Line Items]
Debt Instrument Basis Spread Increase On Variable Rate	0.684%			0.684%	0.684%
USD SOFR | Net Investment Hedging [Member] | Interest Rate Swap II [Member] | Cross Currency Interest Rate Contract I [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 250,000,000
SOFR | Interest Rate Swap [Member] | Cross Currency Swap, Expires November 2025
Derivative [Line Items]
Derivative, Basis Spread on Variable Rate	1.487%			1.487%	1.487%
SOFR | Interest Rate Swap [Member] | Cross Currency Swap, Expires August 2027
Derivative [Line Items]
Derivative, Basis Spread on Variable Rate	0.907%			0.907%	0.907%
U.S. LIBOR | Interest Rate Swap [Member] | Cross Currency Swap, Expires November 2025
Derivative [Line Items]
Derivative, Basis Spread on Variable Rate						1.22%
U.S. LIBOR | Interest Rate Swap [Member] | Cross Currency Swap, Expires August 2027
Derivative [Line Items]
Derivative, Basis Spread on Variable Rate						0.685%