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Investments (Tables)
3 Months Ended
Nov. 30, 2017
Investments [Abstract]  
Investment Holdings, Schedule of Investments [Table Text Block]
 
November 30, 2017
 
August 31, 2017
 
(Dollars in thousands)
Equity method investments:
 
 
 
CF Industries Nitrogen, LLC
$
2,776,412

 
$
2,756,076

Ventura Foods, LLC
350,602

 
347,016

Ardent Mills, LLC
209,926

 
206,529

TEMCO, LLC
39,235

 
41,323

Other equity method investments
265,621

 
268,444

Cost method investments
135,204

 
131,605

Total investments
$
3,777,000

 
$
3,750,993