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Accounts Payable	12 Months Ended
	Oct. 31, 2018
Accounts Payable Current [Abstract]
Accounts Payable	Note 10.  Accounts Payable Accounts payable as of October 31, 2018 and 2017 was $22.6 million and $42.6 million, respectively.  Included in the balance were amounts due to POSCO Energy of $7.2 million and $32.7 million as of October 31, 2018 and 2017 for the purchase of inventory.

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