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Accounts Receivable (Narrative) (Details)	12 Months Ended
	Aug. 31, 2019
Accounts Receivable [Abstract]
Period of trade accounts receivable past due over, collectibility review	90 days

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- Definition

Period Past Due For Collectibility Of Trade Accounts Receivable

+ References

No definition available.

+ Details

Name:	fc_PeriodPastDueForCollectibilityOfTradeAccountsReceivable
Namespace Prefix:	fc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_ReceivablesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration