Summary Of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2022
Summary Of Significant Accounting Policies [Line Items]
Sales allowances	$ 206.4	$ 195.3
Operating Lease, Right-of-Use Asset	$ 211.0	220.0
Useful life	9 years
Research and development expense	$ 102.9	94.9	$ 87.5
Marketing and Advertising Expense	265.0	247.1	240.4
Advertising expense	218.8	198.1	187.2
Revenues	$ 6,723.7	6,662.2	6,350.5
Compensation Expense Associated With LTPP, Period Of Program	3 years
Accounts Payable, Trade	$ 417.4	300.5
Minimum [Member] | Headquarters building [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	20 years
Minimum [Member] | Machinery, Equipment And Computer Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	3 years
Minimum [Member] | Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life	3 years
Maximum [Member] | Headquarters building [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	50 years
Maximum [Member] | Machinery, Equipment And Computer Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	15 years
Maximum [Member] | Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life	13 years
Americas [Member]
Summary Of Significant Accounting Policies [Line Items]
Revenues	$ 4,801.9	4,756.9	4,551.7
EMEA [Member]
Summary Of Significant Accounting Policies [Line Items]
Revenues	1,239.3	1,212.8	1,116.4
Asia Pacific [Member]
Summary Of Significant Accounting Policies [Line Items]
Revenues	$ 682.5	$ 692.5	$ 682.4