Financial Arrangements and Financial Instruments - Additional Information (Details)	3 Months Ended
	Feb. 28, 2021 USD ($)	Feb. 29, 2020 USD ($)	Feb. 28, 2021 GBP (£)	Feb. 28, 2021 EUR (€)	Nov. 30, 2020 USD ($)
Debt Instrument [Line Items]
Investment Foreign Currency, Contract, Foreign Currency Amount	$ 558,900,000				$ 383,800,000
Total derivative assets, Fair Value	$ 34,100,000				$ 44,500,000
Maximum time frame for foreign exchange contracts, months	18 months
Amount of accumulated other comprehensive income expected to be reclassified to earnings in next 12 months	$ 1,100,000
Long-term debt borrowings	1,000,400,000	$ 0
Repayments of Commercial Paper	1,443,000,000.0
0.90% Notes due February 2026
Debt Instrument [Line Items]
Notes Payable	$ 500,000,000.0
Stated Note interest rate	0.90%		0.90%	0.90%
Long-term debt borrowings	$ 495,700,000
1.85% Notes due February 2031
Debt Instrument [Line Items]
Notes Payable	$ 500,000,000.0
Stated Note interest rate	1.85%		1.85%	1.85%
Long-term debt borrowings	$ 492,800,000
Three Point Two Five Zero Notes Due On Two Thousand Twenty Five [Member]
Debt Instrument [Line Items]
Stated Note interest rate	3.25%		3.25%	3.25%
Three Point Four Zero Notes Due Two Thousand Twenty Seven [Member]
Debt Instrument [Line Items]
Stated Note interest rate	3.40%		3.40%	3.40%
Short-term Contract with Customer [Member]
Debt Instrument [Line Items]
Investment Foreign Currency, Contract, Foreign Currency Amount	$ 170,300,000
Fair Value Hedging | Foreign exchange contracts
Debt Instrument [Line Items]
Derivative, Notional Amount	423,000,000.0
Net Investment Hedging | Cross currency contracts
Debt Instrument [Line Items]
Derivative, Notional Amount	250,000,000
Total derivative assets, Fair Value	250,000,000
Derivative, Collateral, Obligation to Return Cash | £			£ 194,100,000
Net Investment Hedging | Cross currency contract II
Debt Instrument [Line Items]
Derivative, Notional Amount | £			194,100,000
Total derivative assets, Fair Value | £			£ 194,100,000
Derivative, Collateral, Obligation to Return Cash | €				€ 221,800,000
Other Income | Fair Value Hedging | Foreign exchange contracts
Debt Instrument [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	(2,100,000)	(2,200,000)
Other Income | Fair Value Hedging | Loans Payable
Debt Instrument [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	2,400,000	$ 2,000,000.0
Interest Rate Swap | Treasury Lock [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount	350,000,000
Interest Rate Swap | Treasury Lock [Member] | Three Point Two Five Zero Notes Due On Two Thousand Twenty Five [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount	$ 100,000,000
Derivative, Fixed Interest Rate	3.25%		3.25%	3.25%
Derivative, Basis Spread on Variable Rate	1.22%		1.22%	1.22%
Interest Rate Swap | Treasury Lock [Member] | Three Point Four Zero Notes Due Two Thousand Twenty Seven [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount	$ 250,000,000
Notes Payable	750,000,000
Interest Rate Swap 3.40% | Treasury Lock [Member] | Three Point Four Zero Notes Due Two Thousand Twenty Seven [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount	$ 250,000,000
Derivative, Fixed Interest Rate	3.40%		3.40%	3.40%
Derivative, Basis Spread on Variable Rate	0.685%		0.685%	0.685%
Interest Rate Swap 3.25% | Treasury Lock [Member] | Three Point Two Five Zero Notes Due On Two Thousand Twenty Five [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount	$ 100,000,000
Notes Payable	$ 250,000,000
United States LIBOR | Net Investment Hedging | Cross currency contracts
Debt Instrument [Line Items]
Derivative, Variable Interest Rate	0.685%		0.685%	0.685%
Great Britain LIBOR | Net Investment Hedging | Cross currency contracts
Debt Instrument [Line Items]
Derivative, Variable Interest Rate	0.74%		0.74%	0.74%
Great Britain LIBOR | Net Investment Hedging | Cross currency contract II
Debt Instrument [Line Items]
Derivative, Variable Interest Rate	0.74%		0.74%	0.74%
EURIBOR | Net Investment Hedging | Cross currency contract II
Debt Instrument [Line Items]
Derivative, Variable Interest Rate	0.808%		0.808%	0.808%