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Summary Of Significant Accounting Policies (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2020 | Aug. 31, 2020 | May 31, 2020 | Feb. 29, 2020 | Nov. 30, 2019 | Aug. 31, 2019 | May 31, 2019 | Feb. 28, 2019 | Nov. 30, 2020 | Nov. 30, 2019 | Nov. 30, 2018 | Dec. 01, 2019
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sales allowances | $ 183.3 |  |  |  | $ 137.2 |  |  |  | $ 183.3 | $ 137.2 |  |
Operating Lease, Right-of-Use Asset | 136.8 |  |  |  |  |  |  |  | $ 136.8 |  |  |
Useful life |  |  |  |  |  |  |  |  | 10 years |  |  |
Capitalized software | 116.0 |  |  |  | 76.4 |  |  |  | $ 116.0 | 76.4 |  |
Research and development expense |  |  |  |  |  |  |  |  | 68.6 | 67.3 | $ 69.4 |
Marketing and Advertising Expense |  |  |  |  |  |  |  |  | 230.3 | 214.6 | 218.7 |
Advertising expense |  |  |  |  |  |  |  |  | 174.8 | 150.8 | 147.2 |
Revenues | 1,557.9 | $ 1,430.3 | $ 1,401.1 | $ 1,212.0 | 1,484.8 | $ 1,329.2 | $ 1,301.9 | $ 1,231.5 | 5,601.3 | 5,347.4 | 5,302.8 |
Cost of Goods and Services Sold |  |  |  |  |  |  |  |  | 3,300.9 | 3,202.1 | 3,209.5 |
Selling, general and administrative expense |  |  |  |  |  |  |  |  | 1,281.6 | 1,166.8 | 1,163.4 |
Operating income | 274.9 | 273.0 | 257.4 | 194.2 | 299.2 | 253.5 | 208.1 | 196.9 | 999.5 | 957.7 | 891.1 |
Other income, net |  |  |  |  |  |  |  |  | 17.6 | 26.7 | 24.8 |
Operating Lease, Liability | 140.8 |  |  |  |  |  |  |  | 140.8 |  |  |
Gross profit | 660.7 | $ 590.3 | $ 579.5 | $ 469.9 | 630.0 | $ 539.9 | $ 508.5 | $ 466.9 | $ 2,300.4 | 2,145.3 | 2,093.3 |
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 2017-07 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Other income, net |  |  |  |  |  |  |  |  | $ 10.0 | 17.7 | 12.2 |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  |  |  |  |  |  |  |  |  | $ 136.5
Operating Lease, Liability |  |  |  |  |  |  |  |  |  |  |  | $ 140.0
Construction in Progress [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Capitalized software | $ 86.7 |  |  |  | $ 44.9 |  |  |  | 86.7 | 44.9 |  |
Americas [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 3,974.9 | 3,711.3 | 3,627.5 |
EMEA [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,046.7 | 986.1 | 1,021.1 |
Asia Pacific [Member] |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 579.7 | $ 650.0 | $ 654.2 |

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