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Summary Of Significant Accounting Policies (Tables)
 12 Months Ended
Aug. 31, 2013
Accounting Policies [Abstract]  
Useful lives used for depreciation and amortization
At August 31, 2013, the useful lives used for depreciation and amortization were as follows:

Buildings
7
 to
40
 years
Land improvements
3
 to
25
 years
Leasehold improvements
3
 to
15
 years
Equipment
3
 to
25
 years