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Stock-Based Compensation (Tables)
 9 Months Ended
Aug. 31, 2022
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 August 31,Nine months ended August 31,
 2022202120222021
Stock-based compensation expense$12.2 $11.6 $49.1 $54.2 
The fair values of stock option grants in the stated periods were computed using the following range of assumptions for our various stock compensation plans:
20222021
Risk-free interest rates0.2 - 2.5%0.0 - 1.8%
Dividend yield1.5%1.5%
Expected volatility21.2%21.3%
Expected lives (in years)7.67.9
Summary of Option Activity The following is a summary of our stock option activity for the nine months ended August 31, 2022 and 2021:
 20222021
(shares in millions)Number
of
Shares		Weighted-
Average
Exercise
Price		Number
of
Shares		Weighted-
Average
Exercise
Price
Outstanding at beginning of period5.0 $59.71 4.5 $53.56 
Granted0.7 96.92 0.8 89.16 
Exercised(0.8)47.40 (0.2)48.60 
Outstanding at end of the period4.9 $67.13 5.1 $59.44 
Exercisable at end of the period3.5 $57.97 3.7 $51.19 
Schedule of Share-based Compensation, Restricted Stock Units Award Activity The following is a summary of our RSU activity for the nine months ended August 31, 2022 and 2021:
 20222021
(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 period563 $69.52 714 $61.74 
Granted208 94.21 219 86.86 
Vested(251)71.90 (284)62.31 
Forfeited(30)84.27 (28)75.02 
Outstanding at end of period490 $77.86 621 $69.75 
Schedule of Share Based Compensation, Performance Shares, Activity The following is a summary of our LTPP activity for the nine months ended August 31, 2022 and 2021:
 20222021
(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 period497 $83.74 382 $71.20 
Granted151 95.00 141 98.30 
Vested(251)75.26 (124)51.73 
Forfeited(4)95.29 (23)89.44 
Outstanding at end of period393 $93.40 376 $86.73 
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 nine months ended August 31, 2022 and 2021:
 20222021
(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 period2,193 $9.40 2,482 $9.40 
Granted— — 15 9.66 
Forfeited(62)9.40 (245)9.42 
Outstanding at end of period2,131 $9.40 2,252 $9.40