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Stock-based Compensation
 3 Months Ended
Feb. 29, 2020
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock-Based Compensation STOCK-BASED COMPENSATION
We have three types of stock-based compensation awards: restricted stock units ("RSUs"), stock options and company stock awarded as part of our long-term performance plan ("LTPP"). The following table sets forth the stock-based compensation expense recorded in selling, general and administrative ("SG&A") expense for the three months ended February 29, 2020 and February 28, 2019 (in millions):
 20202019
Stock-based compensation expense$6.4  $6.7  
Our 2020 annual grant of stock options and RSUs is expected to occur in the second quarter, similar to the 2019 annual grant.
The following is a summary of our stock option activity for the three months ended February 29, 2020 and February 28, 2019:
 20202019
(shares in millions)Number
of
Shares		Weighted-
Average
Exercise
Price		Number
of
Shares		Weighted-
Average
Exercise
Price
Outstanding at beginning of period2.6  $96.18  3.6  $82.60  
Exercised(0.1) 70.38  (0.1) 63.07  
Outstanding at end of the period2.5  $96.94  3.5  $83.04  
Exercisable at end of the period1.8  $87.45  2.7  $77.11  
As of February 29, 2020, the intrinsic value (the difference between the exercise price and the market price) for all options outstanding was $123.2 million and for options currently exercisable was $107.1 million. The total intrinsic value of all options exercised during the three months ended February 29, 2020 and February 28, 2019 was $8.6 million and $5.9 million, respectively.
The following is a summary of our RSU activity for the three months ended February 29, 2020 and February 28, 2019:

 20202019
(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 period381  $115.89  423  $103.05  
Vested(4) 70.01  (3) 95.64  
Forfeited(5) 120.43  (2) 99.36  
Outstanding at end of period372  $116.39  418  $103.12  
The following is a summary of our LTPP activity for the three months ended February 29, 2020 and February 28, 2019:
 20202019
(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 period196  $115.96  218  $83.55  
Granted65  168.73  102  150.51  
Vested(44) 89.96  (57) 86.40  
Forfeited(1) 136.95  —  —  
Outstanding at end of period216  $137.04  263  $117.14