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Stock-Based Compensation (Narrative) (Details)			3 Months Ended	6 Months Ended
Stock-Based Compensation (Narrative) (Details)	Jan. 25, 2019 USD ($) $ / shares shares	Oct. 01, 2018 item shares	Feb. 28, 2019 USD ($) shares	Feb. 28, 2019 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued under terms of the award			39,803	50,932
Number of shares reduced, withheld for minimum statutory taxes			241
Fiscal 2019 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches \| item		3
Life of awards		3 years
Expiration date		Aug. 31, 2021
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			10,730	21,218
Director [Member] \| Fiscal 2019 Restricted Stock Award Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Whole-share grant per eligible director \| $				$ 100,000
Vesting period of awards				1 year
Restricted Stock Awards [Member] \| Fiscal 2019 Restricted Stock Award Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense \| $			$ 600,000	$ 600,000
Time-Based Award [Member] \| Fiscal 2019 Time-Based Award Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Price per share \| $ / shares	$ 24.54
Vesting period of awards	2 years
Fair value of shares awarded \| $	$ 300,000
Shares issued under terms of the award	11,915
Time-Based Award [Member] \| Fiscal 2019 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches \| item		1
Performance-Based Award [Member] \| Fiscal 2019 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches \| item		2
Tranche One [Member] \| Time-Based Award [Member] \| Fiscal 2019 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of shares plan participants are entitled to		25.00%
Vesting period of awards		3 years
Shares issued under terms of the award		36,470
Tranche Two and Three [Member] \| Performance-Based Award [Member] \| Fiscal 2019 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance-based objectives		100.00%
Shares issued under terms of the award		109,409
Tranche Two and Three [Member] \| Performance-Based Award [Member] \| Minimum [Member] \| Fiscal 2019 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance award to be granted		50.00%
Tranche Two and Three [Member] \| Performance-Based Award [Member] \| Maximum [Member] \| Fiscal 2019 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance award to be granted		200.00%
New shares granted		218,818