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Note 10 - Other Comprehensive Income (Loss)
3 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]

10.

Other Comprehensive Income (Loss)

 

A summary of other comprehensive income and loss is provided below:

 

      Tax    
  

Before-Tax

  

(Expense)

  

Net-of-Tax

 
  

Amount

  

or Benefit

  

Amount

 

Three Months Ended December 31, 2023

            

Interest rate swaps:

            

Unrealized losses

 $(836,071) $215,205  $(620,866)

Transfer of realized gains to interest expense

  (545,183)  140,329   (404,854)

Net interest rate swaps

  (1,381,254)  355,534   (1,025,720)

Defined benefit plans:

            

Amortization of actuarial losses

  16,015   (4,122)  11,893 

Other comprehensive loss

 $(1,365,239) $351,412  $(1,013,827)

Three Months Ended December 31, 2022

            

Interest rate swaps:

            

Unrealized gains

 $43,947  $(11,311) $32,636 

Transfer of realized gains to interest expense

  (290,779)  74,845   (215,934)

Net interest rate swaps

  (246,832)  63,534   (183,298)

Defined benefit plans:

            

Amortization of actuarial losses

  19,703   (5,072)  14,631 

Other comprehensive loss

 $(227,129) $58,462  $(168,667)

 

The amortization of actuarial gains and losses, reflected in the preceding table, relate to the unregulated operations of the Company. Actuarial gains and losses attributable to the regulated operations are included as a regulatory asset. See Note 16 for a schedule of regulatory assets. The amortization of actual gains and losses is recognized as a component of net periodic pension and postretirement benefit costs under other income, net in the condensed consolidated statements of income.

 

Reconciliation of Accumulated Other Comprehensive Income (Loss)

 

          

Accumulated

 
          

Other

 
  

Interest Rate

  

Defined Benefit

  

Comprehensive

 
  

Swaps

  

Plans

  

Income (Loss)

 

Balance at September 30, 2023

 $3,428,922  $(1,175,633) $2,253,289 

Other comprehensive income (loss)

  (1,025,720)  11,893   (1,013,827)

Balance at December 31, 2023

 $2,403,202  $(1,163,740) $1,239,462