Annual report [Section 13 and 15(d), not S-K Item 405]

Supplemental balance sheet information (Tables)

v3.25.4
Supplemental balance sheet information (Tables)
12 Months Ended
Dec. 31, 2025
Balance Sheet Related Disclosures [Abstract]  
Summary of Inventories

Inventories are comprised of the following:

 

 

December 31,

 

 

 

2025

 

 

2024

 

Raw materials and supplies

 

$

10.8

 

 

$

16.2

 

Work in process

 

 

12.4

 

 

 

19.7

 

Finished products and parts

 

 

128.1

 

 

 

165.2

 

Total

 

$

151.3

 

 

$

201.1

 

Summary of Components of Property Plant and Equipment Net

Property, plant and equipment, net is comprised of the following:

 

 

December 31,

 

 

 

2025

 

 

2024

 

Machinery and equipment

 

$

2,441.4

 

 

$

2,455.8

 

Mining property and mine development

 

 

391.2

 

 

 

420.3

 

Buildings and leasehold improvements

 

 

151.1

 

 

 

131.0

 

Land

 

 

10.2

 

 

 

12.8

 

Office equipment, software and other

 

 

17.3

 

 

 

17.0

 

Construction in progress

 

 

35.3

 

 

 

36.7

 

Total

 

 

3,046.5

 

 

 

3,073.6

 

Less: accumulated depreciation, depletion and amortization

 

 

(1,582.2

)

 

 

(1,312.4

)

Property, plant, and equipment, net

 

$

1,464.3

 

 

$

1,761.2

 

Summary of Components of Finite-Lived Intangible Assets

Intangible assets, net is comprised of the following:

 

 

Weighted Average Remaining Amortization period (Years)

 

Estimated
Useful
Life (in years)

 

Gross
Book
Value

 

 

Less: Accumulated
Amortization

 

 

Net Book
Value

 

As of December 31, 2025

 

 

 

 

 

 

 

 

 

 

 

 

 

Acquired technology

 

6.8

 

3-10

 

$

121.2

 

 

$

(39.9

)

 

$

81.3

 

Tradename

 

8.3

 

10

 

 

2.9

 

 

 

(0.5

)

 

 

2.4

 

Patents/License

 

7

 

8

 

 

5.9

 

 

 

(0.9

)

 

 

5.0

 

Customer relationships

 

1.2

 

4-5

 

 

92.5

 

 

 

(69.4

)

 

 

23.1

 

Intangible assets, net

 

5.7

 

 

 

$

222.5

 

 

$

(110.7

)

 

$

111.8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As of December 31, 2024

 

 

 

 

 

 

 

 

 

 

 

 

 

Acquired technology

 

7.9

 

3-10

 

$

124.7

 

 

$

(30.3

)

 

$

94.4

 

Tradename

 

9.3

 

10

 

 

2.9

 

 

 

(0.2

)

 

 

2.7

 

Patents/License

 

8

 

8

 

 

5.9

 

 

 

(0.2

)

 

 

5.7

 

Customer relationships

 

2.1

 

4-5

 

 

92.5

 

 

 

(46.4

)

 

 

46.1

 

Intangible assets, net

 

6.4

 

 

 

$

226.0

 

 

$

(77.1

)

 

$

148.9

 

Summary of Accrued Expenses

Accrued expenses are comprised of the following:

 

 

December 31,

 

 

 

2025

 

 

2024

 

Employee compensation and benefits

 

$

27.9

 

 

$

22.9

 

Sales, use, and property taxes

 

 

16.8

 

 

 

21.0

 

Insurance

 

 

18.2

 

 

 

13.2

 

Interest

 

 

8.2

 

 

 

6.1

 

Income taxes

 

 

0.7

 

 

 

1.9

 

Other

 

 

2.2

 

 

 

2.1

 

Total accrued expenses

 

$

74.0

 

 

$

67.2

 

Summary of Other Current Liabilities

Other Current Liabilities

Other current liabilities are comprised of the following:

 

 

December 31,

 

 

 

2025

 

 

2024

 

Accrued supply commitment charges

 

$

12.6

 

 

$

12.6

 

Accrued legal contingencies

 

 

5.5

 

 

 

7.1

 

Deferred revenue

 

 

0.8

 

 

 

7.4

 

Tax receivable agreement obligation

 

 

4.6

 

 

 

3.3

 

Acquired unfavorable contracts

 

 

 

 

 

7.6

 

Munger make-whole liability

 

 

 

 

 

8.6

 

Other

 

 

5.3

 

 

 

10.0

 

Total other current liabilities

 

$

28.8

 

 

$

56.6