Note 8 - Asset Retirement Obligations (Tables)

6 Months Ended

Mar. 01, 2014

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Asset Retirement Obligations [Table Text Block]

	March 1, 2013
Beginning balance as of August 31, 2013	$	10,796
Accretion expense		362
Ending balance as of March 1, 2014	$	11,158