|
Note 4 - Fair Value Measurements (Detail) - Gains And Losses Related To Derivative Instruments (USD $)
|
3 Months Ended | |
|---|---|---|
|
Nov. 30, 2012
|
Nov. 30, 2011
|
|
| Interest rate swap contract | $ 4,288,000 | $ 4,758,000 |
| Foreign currency forward contracts | $ (400,000) | $ (2,700,000) |