XML 38 R29.htm IDEA: XBRL DOCUMENT v3.23.2
FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
6 Months Ended
Jun. 30, 2023
FAIR VALUE OF FINANCIAL INSTRUMENTS  
Schedule of fair value measurement

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Quoted Prices in

​

Significant

​

Significant

​

​

​

Total

​

​

​

Active Markets

​

Observable 

​

Unobservable 

​

​

    

    Carrying Value    

    

        Total         

    

(Level 1)

    

Inputs (Level 2)

    

Inputs (Level 3)

​

(In millions)

​

June 30, 2023

​

Fair Value Measurements at June 30, 2023

​

Cash and cash equivalents

​

$

122.0

​

$

122.0

​

$

122.0

​

$

—

​

$

—

​

Restricted cash

​

$

3.9

​

$

3.9

​

$

3.9

​

$

—

​

$

—

​

Capital Construction Fund

​

$

583.9

​

$

583.9

​

$

583.9

​

$

—

​

$

—

​

Fixed rate debt

​

$

462.4

​

$

377.6

​

$

—

​

$

377.6

​

$

—

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

(In millions)

    

December 31, 2022

​

               Fair Value Measurements at December 31, 2022           

​

Cash and cash equivalents

​

$

249.8

​

$

249.8

  

$

249.8

​

$

—

​

$

—

​

Restricted cash

​

$

3.9

​

$

3.9

​

$

3.9

​

$

—

​

$

—

​

Capital Construction Fund

​

$

518.2

​

$

518.2

​

$

518.2

​

$

—

​

$

—

​

Fixed rate debt

​

$

517.5

​

$

427.3

​

$

—

​

$

427.3

​

$

—

​