XML 99 R82.htm IDEA: XBRL DOCUMENT v2.4.0.8
Retirement Plans (Schedules Of Net Benefit Costs) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Aug. 31, 2013
Aug. 31, 2012
Aug. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Interest cost $ 266 $ 325  
Supplemental Employee Retirement Plans, Defined Benefit [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Interest cost 266 325 334
Net amortization and deferral 212 166 164
Total $ 478 $ 491 $ 498