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Other Noncurrent Assets (Details) (USD $)
In Thousands, unless otherwise specified
Aug. 31, 2012
Aug. 31, 2011
Other Noncurrent Assets [Abstract]    
Cash surrender value of life insurance policies $ 2,494,000 $ 2,414,000
Split dollar life insurance 929,000 929,000
Deferred income taxes 650,000 269,000
Other 1,382,000 1,792,000
Total noncurrent assets $ 5,455,000 $ 5,404,000