|
Share Repurchase Program (Details) (USD $)
|
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
|
Feb. 28, 2014
|
Nov. 30, 2013
|
Feb. 28, 2014
|
|
| Share Repurchase Program | |||
| Number of treasury stock shares acquired | 0 | 40,327 | |
| Treasury stock shares acquired, average cost per share | $ 27.68 | ||
| Treasury Stock, Value, Acquired, Cost Method | $ 1,116,000 | ||
| Stock repurchase program, remaining authorized amount | $ 55,500,000 | ||