As of March 31, 2024

As of December 31, 2023

(In millions of dollars)

Trade Receivables, Net

Billed trade receivables

$

342.0

$

325.8

Allowance for doubtful receivables

(0.6

)

(0.6

)

Trade receivables, net

$

341.4

$

325.2

Inventories1

Finished products

$

81.0

$

89.3

Work-in-process

209.5

210.8

Raw materials

165.0

161.5

Operating supplies

15.8

15.6

Inventories

$

471.3

$

477.2

Property, Plant and Equipment, Net

Land and improvements

$

37.2

$

38.0

Buildings and leasehold improvements

240.0

238.4

Machinery and equipment

1,272.8

1,265.3

Construction in progress

193.8

173.7

Property, plant and equipment, gross

1,743.8

1,715.4

Accumulated depreciation and amortization

(690.3

)

(663.7

)

Land held for sale

1.5

0.4

Property, plant and equipment, net

$

1,055.0

$

1,052.1

Other Assets

Assets to be conveyed associated with Warrick acquisition

$

56.8

$

56.8

Restricted cash – Note 12

18.3

18.3

Long-term replacement parts

17.2

16.7

Other

25.8

25.9

Other assets

$

118.1

$

117.7

Other Accrued Liabilities

Uncleared cash disbursements

$

16.8

$

15.7

Accrued income taxes and other taxes payable

13.1

9.5

Accrued annual contribution to Salaried VEBA

—

1.1

Accrued interest

10.3

9.9

Short-term environmental accrual – Note 7

0.5

2.8

Current operating lease liabilities

7.7

8.0

Current finance lease liabilities

2.3

2.1

Other – Note 5

14.7

15.2

Other accrued liabilities

$

65.4

$

64.3

Long-Term Liabilities

Workers' compensation accrual

$

29.2

$

29.9

Long-term environmental accrual – Note 7

15.6

14.2

Other long-term liabilities

38.8

37.6

Long-term liabilities

$

83.6

$

81.7