|
Note 5 - Accounts Receivable, Concentrations of Credit Risk and Inventories (Detail) (USD $)
In Millions, unless otherwise specified |
Aug. 31, 2012
Local Government Entity [Member]
|
Aug. 31, 2011
Local Government Entity [Member]
|
Nov. 30, 2012
Government [Member]
|
Aug. 31, 2012
Government [Member]
|
|---|---|---|---|---|
| Accounts Receivable, Gross, Current | $ 9.0 | $ 9.0 | ||
| Accounts Receivable, Net | 41.0 | 51.0 | ||
| Costs in Excess of Billings on Uncompleted Contracts or Programs | $ 218.5 | $ 242.8 |