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Subsequent Events (Schedule Of Minimum Adjusted EBITDA) (Details) - Subsequent Event [Member] $ in Thousands | Jul. 08, 2020 USD ($)
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August 31, 2020 [Member] |
Subsequent Event [Line Items] |
Minimum Adjusted EBITDA | $ 11,000
November 30, 2020 [Member] |
Subsequent Event [Line Items] |
Minimum Adjusted EBITDA | 8,500
February 28, 2021 [Member] |
Subsequent Event [Line Items] |
Minimum Adjusted EBITDA | 5,000
May 31, 2021 [Member] |
Subsequent Event [Line Items] |
Minimum Adjusted EBITDA | $ 15,000

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- Definition Minimum Adjusted Earnings Before Interest, Taxes, Depreciation, And Amortization + References No definition available. + Details
Name: | fc_MinimumAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
Namespace Prefix: | fc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=fc_August312020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=fc_November302020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=fc_February282021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=fc_May312021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |