Summary Of Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Summary Of Significant Accounting Policies [Line Items]
Sales allowances	$ 137.2				$ 142.1				$ 137.2	$ 142.1
Operating Lease, Right-of-Use Asset	135.0								$ 135.0
Useful life									10 years
Capitalized software	76.4				43.6				$ 76.4	43.6
Research and development expense									67.3	69.4	$ 66.1
Marketing and Advertising Expense									214.6	218.7	172.5
Advertising expense									150.8	147.2	117.8
Revenues	1,484.8	$ 1,329.2	$ 1,301.9	$ 1,231.5	1,467.9	$ 1,318.2	$ 1,301.3	$ 1,215.4	5,347.4	5,302.8	4,730.3
Cost of Goods and Services Sold									3,202.1	3,209.5	2,936.3
Selling, general and administrative expense									1,166.8	1,163.4	1,031.2
Operating income	299.2	253.5	208.1	196.9	291.5	229.9	188.6	181.1	957.7	891.1	699.8
Other income, net									26.7	24.8	6.1
Operating Lease, Liability	140.0								140.0
Gross profit	630.0	$ 539.9	$ 508.5	$ 466.9	605.0	$ 522.5	$ 505.4	$ 460.4	$ 2,145.3	2,093.3	1,794.0
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)									12 years
Maximum [Member] | Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life									13 years
Accounting Standards Update 2016-16 [Member]
Summary Of Significant Accounting Policies [Line Items]
Effective Income Tax Rate Reconciliation, Tax Credit, Amount									$ (15.2)
Accounting Standards Update 2017-07 [Member]
Summary Of Significant Accounting Policies [Line Items]
Other income, net									17.7	12.2	2.6
Construction in Progress [Member]
Summary Of Significant Accounting Policies [Line Items]
Capitalized software	$ 44.9				$ 9.3				44.9	9.3
Americas [Member]
Summary Of Significant Accounting Policies [Line Items]
Revenues									3,711.3	3,627.5	3,179.6
EMEA [Member]
Summary Of Significant Accounting Policies [Line Items]
Revenues									986.1	1,021.1	948.9
Asia Pacific [Member]
Summary Of Significant Accounting Policies [Line Items]
Revenues									$ 650.0	654.2	601.8
Previously Reported [Member]
Summary Of Significant Accounting Policies [Line Items]
Revenues										5,408.9	4,834.1
Cost of Goods and Services Sold										3,037.3	2,823.9
Selling, general and administrative expense										1,429.5	1,244.8
Operating income										903.3	702.4
Other income, net										12.6	3.5
Gross profit										2,371.6	2,010.2
Restatement Adjustment [Member] | Accounting Standards Update 2014-09 [Member]
Summary Of Significant Accounting Policies [Line Items]
Revenues										(106.1)	(103.8)
Cost of Goods and Services Sold										169.5	111.0
Selling, general and administrative expense										(275.6)	(214.8)
Operating income										0.0	0.0
Other income, net										0.0	0.0
Gross profit										(275.6)	(214.8)
Restatement Adjustment [Member] | Accounting Standards Update 2017-09 [Member]
Summary Of Significant Accounting Policies [Line Items]
Revenues										0.0	0.0
Cost of Goods and Services Sold										2.7	1.4
Selling, general and administrative expense										9.5	1.2
Operating income										(12.2)	(2.6)
Other income, net										12.2	2.6
Gross profit										$ (2.7)	$ (1.4)