Accounts Receivable (Narrative) (Details)	12 Months Ended
Aug. 31, 2018
Accounts Receivable [Abstract]
Period of trade accounts receivable past due over, collectibility review	90 days

Period Past Due For Collectibility Of Trade Accounts Receivable

No definition available.

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