Derivatives And Risk Management (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
May 31, 2012
|
May 31, 2011
|
May 31, 2012
|
May 31, 2011
|
|
Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||||
Increase (reduction) in interest expense related to interest rate swaps | $ 2.1 | $ (3.9) | $ (6.5) | $ (10.7) |
Notional amount of interest rate derivatives terminated | 800 | |||
Notional amount of foreign currency derivatives | $ 323 | $ 323 | ||
Derivative, remaining maturity in months | 12 | 12 |