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Fair Value Measurements (Tables)
6 Months Ended
Feb. 28, 2019
Fair Value Disclosures [Abstract]  
Estimated fair value and carrying value of debt instruments
As of
 
February 28, 2019
 
August 30, 2018
 
 
Fair
Value
 
Carrying
Value
 
Fair
Value
 
Carrying
Value
Notes and MMJ Creditor Payments
 
$
4,291

 
$
4,219

 
$
2,798

 
$
2,741

Convertible notes
 
2,232

 
1,303

 
3,124

 
1,049