v3.26.1
Other noncurrent liabilities
6 Months Ended
Jun. 30, 2026
Other noncurrent liabilities  
Other noncurrent liabilities

Note 9 – Other noncurrent liabilities:

  ​ ​ ​

December 31, 

  ​ ​ ​

June 30, 

2025

2026

(In millions)

Accrued development costs

$

16.1

$

13.4

Asset retirement obligations

14.7

15.0

Insurance claims and expenses

 

16.1

 

17.9

Operating lease liabilities

15.7

16.0

Deferred income

2.9

2.6

Other postretirement benefits

 

6.4

 

6.1

Uncertain tax positions

5.4

Employee benefits

 

4.6

 

4.3

Other

 

.5

 

.6

Total

$

77.0

$

81.3