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Share-based Compensation (Tables)
9 Months Ended
May 31, 2020
Share Based Compensation [Abstract]  
Key Assumptions for a Monte-Carlo Simulation Model Utilized to Estimate the Fair Value of TSR awards The Company estimates the fair value of TSR awards using a Monte-Carlo simulation model utilizing several key assumptions, including the following for TSR awards granted on November 14, 2019:

 

 

 

Percentage

 

Expected share price volatility (SSI)

 

 

38.9

%

Expected share price volatility (Peer group)

 

 

44.5

%

Expected correlation to peer group companies

 

 

34.3

%

Risk-free rate of return

 

 

1.58

%