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Derivative (Narratives) (Details) - USD ($)
9 Months Ended
May 02, 2017
Sep. 30, 2017
Derivative Instruments And Hedging Activities Disclosure [Line Items]    
LIBOR Fixed Rate   1.86%
Deferred losses on derivative instruments accumulated in AOCI expected to be reclassified to earnings   $ 48,000
Derivative Interest Rate Swap Effective Percentage   100.00%
Term Loan [Member]    
Derivative Instruments And Hedging Activities Disclosure [Line Items]    
Notional Amount of Interest Rate Swaps $ 14,000,000  
LIBOR Fixed Rate 1.86%