v3.26.1
DEBT AND INTEREST (Tables)
3 Months Ended
Mar. 31, 2026
DEBT AND INTEREST  
Schedule of short-term debt obligations

March 31

December 31

(millions)

  ​ ​ ​

2026

2025

Short-term debt

Commercial paper

$300.0

$100.0

Notes payable

$8.6

11.0

Long-term debt, current maturities

1,264.6

759.4

Total

$1,573.2

$870.4

Schedule of long-term debt obligations including current maturities

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Maturity

March 31

December 31

(millions)

by Year

2026

2025

Long-term debt

Public notes (2026 principal amount)

Ten year 2016 senior notes ($750 million)

2026

747.9

744.4

Ten year 2017 senior notes ($500 million)

2027

482.4

477.7

Six year 2021 senior notes ($500 million)

2027

499.3

499.1

Five year 2022 senior notes ($500 million)

2028

497.4

497.1

Three year 2025 senior notes ($500 million)

2028

497.0

496.7

Ten year 2020 senior notes ($698 million)

2030

669.5

677.5

Ten year 2020 senior notes ($600 million)

2031

571.0

572.3

Eleven year 2021 senior notes ($650 million)

2032

646.5

646.4

Ten year 2025 senior notes ($500 million)

2035

495.2

495.1

Thirty year 2011 senior notes ($389 million)

2041

385.3

385.2

Thirty year 2016 senior notes ($200 million)

2046

197.6

197.6

Thirty year 2017 senior notes ($484 million)

2047

430.1

429.6

Thirty year 2020 senior notes ($500 million)

2050

491.8

491.7

Thirty year 2021 senior notes ($850 million)

2051

840.2

840.1

Thirty four year 2021 senior notes ($685 million)

2055

544.0

543.4

Finance lease obligations and other

191.9

131.4

Total debt

8,187.1

8,125.3

Long-term debt, current maturities

(1,264.6)

(759.4)

Total long-term debt

$6,922.5

$7,365.9

Schedule of interest expense and interest income

First Quarter Ended 

March 31

(millions)

2026

2025

Interest expense

$77.3

$72.6

Interest income

 

(4.6)

(14.3)

 

Interest expense, net

$72.7

$58.3