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Common Stock Buyback Authorization (Details) (USD $)
0 Months Ended 3 Months Ended 0 Months Ended
Jan. 23, 2015
Feb. 28, 2015
Mar. 27, 2015
Aug. 31, 2014
Mar. 01, 2014
Aug. 31, 2013
Equity, Class of Treasury Stock [Line Items]            
Stock repurchase program, authorized amount $ 10,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount          
Cash and cash equivalents   18,599,000us-gaap_CashAndCashEquivalentsAtCarryingValue   10,483,000us-gaap_CashAndCashEquivalentsAtCarryingValue 7,188,000us-gaap_CashAndCashEquivalentsAtCarryingValue 12,291,000us-gaap_CashAndCashEquivalentsAtCarryingValue
Stock repurchased during period, shares   88,959us-gaap_StockRepurchasedDuringPeriodShares        
Stock repurchased during period, value   1,600,000us-gaap_StockRepurchasedDuringPeriodValue        
Subsequent Event [Member]            
Equity, Class of Treasury Stock [Line Items]            
Stock repurchase program, authorized amount     40,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount
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Minimum [Member] | Subsequent Event [Member]            
Equity, Class of Treasury Stock [Line Items]            
Cash and cash equivalents     10,000,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
     
Available cash for debt financing for repurchase common stock     $ 10,000,000fc_AvailableCashForDebtFinancingForRepurchaseCommonStock
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember