XML 68 R52.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Accounts Receivable, Net - Schedule of Accounts Receivable (Details) (Parenthetical) - USD ($) $ in Millions | Oct. 31, 2018 | Oct. 31, 2017
--- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |
Long-term investments and receivables, net | $ 9.4 | $ 12.8
Government [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
U.S. government accounts receivable, including unbilled receivables | $ 2.3 | $ 3.2

X
- Definition U.S. government accounts receivable including unbilled receivables. + References No definition available. + Details
Name: | fcel_USGovernmentAccountsReceivableIncludingUnbilledReceivables
Namespace Prefix: | fcel_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle) and amount due to the Entity from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such investments and receivables to an amount that approximates their net realizable value. + 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 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermInvestmentsAndReceivablesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis=us-gaap_GovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |