Note 13 - Supplemental Disclosure to Earnings (Loss) Per Common Share (Detail) - Weighted-Average Shares Excluded From The Calculation Of Diluted Income
In Thousands, unless otherwise specified
3 Months Ended
Nov. 30, 2011
Nov. 30, 2010
Stock Options [Member]
   
Antidilutive Securities 2,371 4,150
Restricted Stock [Member]
   
Antidilutive Securities 643 2,184