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Interest Rate Swap Agreements (Tables)
6 Months Ended
Sep. 30, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule Of Notional Amounts Of Interest Rate Swaps

The following table summarizes the activity in the notional amounts of interest rate swap agreements:

Six months ended September 30,
2012 2011

Notional amounts at April 1

$ $

New contracts

50,000,000

Matured contracts

Notional amounts at September 30

$ 50,000,000 $

Schedule of locations and amounts of losses recognized in income

The locations and amounts of losses in income are as follows:

Three months ended
September 30,
Six months ended
September 30,
2012 2011 2012 2011

Periodic change in fair value of interest rate swap agreements

$ 474,019 $ $ 683,120 $

Periodic settlement differentials included in interest expense

77,606 93,424

Total

$ 551,625 $ $ 776,544 $

Schedule of average variable rates received and average fixed rates paid under the swap agreements

The following table summarizes the variable rate (LIBOR) received and fixed rate paid under the swap agreement.

Three months ended
September 30,
Six months ended
September 30,
2012 2011 2012 2011

Variable rate received

0.24 % 0.24 %

Fixed rate paid

0.95 % 0.96 %