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5. ON-BALANCE SHEET DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Tables)
3 Months Ended
Jan. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Outstanding interest rate swaps
Instrument Notional Amount Receive Rate Pay Rate
Interest rate swap $5,333,335 1.25% 0.4295%
Interest rate swap $4,911,000 0.68% 0.4295%
Schedule of Other Comprehensive Income
    Before-Tax     Tax
(Benefit)
Expense
    Net-of-Tax  
Three Months Ended January 31, 2015                  
Loss on interest rate swap   $ (3,295 )   $ 1,318     $ (1,977 )
Reclassification adjustment for loss in income     8,119       (3,248 )     4,871  
Net unrealized gain   $ 4,824     $ (1,930 )   $ 2,894  
Three Months Ended January 31, 2016                        
Loss on interest rate swap   $ (51,043 )   $ 20,417     $ (30,626 )
Reclassification adjustment for loss in income     4,833       (1,933 )     2,900  
Net unrealized loss   $ (46,210 )   $ 18,484     $ (27,726 )