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Accounts Payable - Additional Information (Details) - USD ($) $ in Thousands | Jul. 31, 2018 | Oct. 31, 2017
--- | --- | ---
Schedule Of Accounts Payable [Line Items] |  |
Accounts payable | $ 44,133 | $ 42,616
POSCO Energy [Member] |  |
Schedule Of Accounts Payable [Line Items] |  |
Accounts Payable, Related Parties, Current | $ 32,700 | $ 32,700

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- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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