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Related Party Transactions
9 Months Ended
May 31, 2018
Related Party Transactions [Abstract]  
Related Party Transactions
Related Party Transactions

The Company purchases recycled metal from its joint venture operations at prices that approximate fair market value. These purchases totaled $5 million for each of the three months ended May 31, 2018 and 2017, and $12 million and $11 million for the nine months ended May 31, 2018 and 2017, respectively.