Related Party Transactions	6 Months Ended
Related Party Transactions	Feb. 28, 2017
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 $3 million and $2 million for the three months ended February 28, 2017 and February 29, 2016, respectively, and $6 million for the six months ended February 28, 2017 and February 29, 2016.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.