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Share-based Payments
 6 Months Ended
Feb. 28, 2021
Share-based Payment Arrangement [Abstract]  
Share-based Payments Share-based Payments
We account for share-based payments through the measurement and recognition of compensation expense for share-based payment awards made to employees and directors over the related requisite service period, including stock options, performance share units, and restricted shares (all part of our equity incentive plan), as well as share units representing certain deferrals into our director deferred compensation plan or our supplemental deferred savings plan.
The following table presents share-based payment expense for the periods presented (in millions):
Three Months EndedSix Months Ended
February 28, 2021February 29, 2020February 28, 2021February 29, 2020
Share-based payment expense$7.5 $8.0 $15.2 $24.7 
Further details regarding our stock options, restricted shares, and director compensation award programs as well as our share-based payments are included within the Share-based Payments footnote of the Notes to Consolidated Financial Statements within our Form 10-K.