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Note 10 - Other Comprehensive Income (Loss)
6 Months Ended
Mar. 31, 2022
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 March 31, 2022

            

Interest rate swaps:

            

Unrealized gains

 $1,903,875  $(490,057) $1,413,818 

Transfer of realized losses to interest expense

  163,860   (42,179)  121,681 

Net interest rate swaps

  2,067,735   (532,236)  1,535,499 

Defined benefit plans:

            

Amortization of actuarial gains

  (15,070)  3,879   (11,191)

Other comprehensive income

 $2,052,665  $(528,357) $1,524,308 

Three Months Ended March 31, 2021

            

Interest rate swaps:

            

Unrealized gains

 $529,356  $(136,257) $393,099 

Transfer of realized losses to interest expense

  136,270   (35,075)  101,195 

Net interest rate swaps

  665,626   (171,332)  494,294 

Defined benefit plans:

            

Amortization of actuarial losses

  20,017   (5,153)  14,864 

Other comprehensive income

 $685,643  $(176,485) $509,158 

 

      

Tax

     
  

Before-Tax

  

(Expense)

  

Net-of-Tax

 
  

Amount

  

or Benefit

  

Amount

 

Six Months Ended March 31, 2022

            

Interest rate swaps:

            

Unrealized gains

 $2,219,858  $(571,390) $1,648,468 

Transfer of realized losses to interest expense

  335,723   (86,418)  249,305 

Net interest rate swaps

  2,555,581   (657,808)  1,897,773 

Defined benefit plans:

            

Amortization of actuarial gains

  (30,140)  7,758   (22,382)

Other comprehensive income

 $2,525,441  $(650,050) $1,875,391 

Six Months Ended March 31, 2021

            

Interest rate swaps:

            

Unrealized gains

 $619,126  $(159,364) $459,762 

Transfer of realized losses to interest expense

  273,708   (70,451)  203,257 

Net interest rate swaps

  892,834   (229,815)  663,019 

Defined benefit plans:

            

Amortization of actuarial losses

  40,034   (10,306)  29,728 

Other comprehensive income

 $932,868  $(240,121) $692,747 

 

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.

 

Reconciliation of Accumulated Other Comprehensive Income (Loss)

 

          

Accumulated

 
          

Other

 
  

Interest Rate

  

Defined Benefit

  

Comprehensive

 
  

Swaps

  

Plans

  

Income (Loss)

 

Balance at September 30, 2021

 $(888,210) $(647,224) $(1,535,434)

Other comprehensive income (loss)

  1,897,773   (22,382)  1,875,391 

Balance at March 31, 2022

 $1,009,563  $(669,606) $339,957