Note 14 - Employee Benefit Plans (Detail) - Net Periodic Pension Expense (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Nov. 30, 2011
Nov. 30, 2010
Service cost $ 19 $ 37
Interest cost 1,974 1,931
Expected return on plan assets (2,074) (2,055)
Amortization of net loss 774 915
Other 11 11
Total net pension expense $ 704 $ 839