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Stock-Based Compensation (Tables)
 6 Months Ended
May 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock Based Compensation in Selling, General and Administrative Expense The following table sets forth the stock-based compensation expense recorded in selling, general and administrative ("SG&A") expense (in millions):
 Three months ended May 31,Six months ended May 31,
 2021202020212020
Stock-based compensation expense$28.5 $20.7 $42.6 $27.1 
Summary of Option Activity The following is a summary of our stock option activity for the six months ended May 31, 2021 and 2020:
 20212020
(shares in millions)Number
of
Shares		Weighted-
Average
Exercise
Price		Number
of
Shares		Weighted-
Average
Exercise
Price
Outstanding at beginning of period4.5 $53.56 5.2 $48.09 
Granted0.8 89.16 0.8 69.31 
Exercised(0.1)44.22 (0.8)38.74 
Outstanding at end of the period5.2 $59.46 5.2 $52.11 
Exercisable at end of the period3.8 $51.08 4.0 $46.83 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
20212020
Risk-free interest rates0.0 - 1.8%0.0 - 0.6%
Dividend yield1.5%1.8%
Expected volatility21.3%22.8%
Expected lives (in years)7.97.9
Schedule of Share-based Compensation, Restricted Stock Units Award Activity The following is a summary of our RSU activity for the six months ended May 31, 2021 and 2020:
 20212020
(shares in thousands)Number
of
Shares		Weighted-
Average
Grant-Date
Fair Value		Number
of
Shares		Weighted-
Average
Grant-Date
Fair Value
Outstanding at beginning of period714 $61.74 762 $57.95 
Granted219 86.86 296 67.03 
Vested(282)62.19 (274)54.99 
Forfeited(12)60.12 (12)61.00 
Outstanding at end of period639 $70.03 772 $62.43 
Schedule of Share Based Compensation, Performance Shares, Activity The following is a summary of our LTPP activity for the six months ended May 31, 2021 and 2020:
 20212020
(shares in thousands)Number
of
Shares		Weighted-
Average
Grant-Date
Fair Value		Number
of
Shares		Weighted-
Average
Grant-Date
Fair Value
Outstanding at beginning of period382 $71.20 392 $57.98 
Granted141 98.30 130 86.14 
Vested(121)50.95 (88)44.98 
Forfeited(12)88.06 (2)68.48 
Outstanding at end of period390 $86.80 432 $69.06 
Price Vested Stock Options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Payment Arrangement, Activity
The following is a summary of our Price-Vested Stock Options activity for the six months ended May 31, 2021:
(shares in thousands)Number
of
Shares		Weighted-
Average
Grant-Date Fair Value
Outstanding at beginning of period2,482 $9.40 
Granted15 9.66 
Forfeited(121)9.40 
Outstanding at end of period2,376 $9.40