|
Note 16 - Accounting for Claims, Unapproved Change Orders and Incentives on Long-Term Construction Contracts (Detail) - Significant Unapproved Change Orders And Claims (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Nov. 30, 2012
|
Aug. 31, 2012
|
Nov. 30, 2011
|
Aug. 31, 2011
|
Nov. 30, 2012
Unapproved Change Orders [Member]
|
Nov. 30, 2011
Unapproved Change Orders [Member]
|
|
| Amounts included in project estimates-at-completion at September 1 | $ 383.5 | $ 381.4 | $ 449.2 | $ 448.3 | ||
| Changes in estimates-at-completion | 3.1 | 9.6 | ||||
| Approved by clients | (1.0) | (8.7) | ||||
| Amounts included in project estimates-at-completion at November 30 for unapproved change orders and claims | 383.5 | 381.4 | 449.2 | 448.3 | ||
| Amounts recorded in revenues (or reductions to contract costs) on a percentage-of-completion basis at November 30 | $ 95.3 | $ 116.6 | ||||