Stock-Based Compensation (Narrative) (Details) $ in Millions |
3 Months Ended |
|---|---|
|
Nov. 30, 2021
USD ($)
shares
| |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Common stock issued from treasury stock | 216,752 |
| Shares withheld for tax | 85,095 |
| Shares withheld for tax, fair value | $ | $ 3.5 |
| Employee Stock Purchase Plan [Member] | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Price of common stock as a percent of the average fair market value | 85.00% |
| Shares issued to employee stock purchase plan participants | 9,379 |