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Long-Term Debt (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
1 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended
Jul. 31, 2014
Credit Agreement [Member]
item
Oct. 31, 2014
Term Note A [Member]
Jul. 31, 2014
Term Note A [Member]
Apr. 30, 2014
Term Note A [Member]
Oct. 31, 2014
Term Note B [Member]
Apr. 30, 2014
Term Note B [Member]
Oct. 31, 2014
Minimum [Member]
Term Note A [Member]
Oct. 31, 2014
Maximum [Member]
Term Note A [Member]
Debt Instrument [Line Items]                
Number of term loans 2              
Number of revolving lines of credit 1              
Maturity date Jun. 30, 2017              
Term loan amount   $ 9,568 $ 10,100 $ 11,324   $ 1,000    
Stated interest rate, minimum   5.00%     12.00%      
Quarterly principal payment   $ 252            
Reference rate   LIBOR            
Basis spread on variable reference rate             3.50% 4.00%