XML 45 R38.htm IDEA: XBRL DOCUMENT
v3.25.2

Business, Product and Geographical Area Information (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Segment Reporting [Abstract] |
Schedule of Significant Segment Expenses Provided to CODM | The following table presents the significant segment expenses that are provided to the CODM (in millions of dollars):
|  | Quarter Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2025 |  |  | 2024 As Adjusted 1 |  |  | 2025 |  |  | 2024 As Adjusted 1 |
Net sales |  | $ | 823.1 |  |  | $ | 773.4 |  |  | $ | 1,600.5 |  |  | $ | 1,510.9 |
Less: |  |  |  |  |  |  |  |  |  |  |  |
Cost of products sold, excluding depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |
Hedged cost of alloyed metal 2 |  |  | 448.9 |  |  |  | 404.5 |  |  |  | 863.1 |  |  |  | 775.1 |
Manufacturing costs 3 |  |  | 191.9 |  |  |  | 184.5 |  |  |  | 373.7 |  |  |  | 390.9 |
Plant overhead 4 |  |  | 44.0 |  |  |  | 44.6 |  |  |  | 90.1 |  |  |  | 88.5 |
Freight costs |  |  | 21.2 |  |  |  | 23.4 |  |  |  | 42.0 |  |  |  | 45.7 |
Other cost of products sold 5 |  |  | 16.8 |  |  |  | 12.8 |  |  |  | 27.3 |  |  |  | 20.9 |
Depreciation and amortization |  |  | 29.6 |  |  |  | 29.0 |  |  |  | 59.6 |  |  |  | 57.8 |
Selling, general, administrative, research and development |  |  |  |  |  |  |  |  |  |  |  |
Research and development costs |  |  | 0.3 |  |  |  | 0.6 |  |  |  | 0.6 |  |  |  | 1.2 |
Employee costs 6 |  |  | 22.7 |  |  |  | 21.3 |  |  |  | 45.2 |  |  |  | 43.6 |
Other selling, general and administrative costs 7 |  |  | 9.6 |  |  |  | 9.7 |  |  |  | 17.6 |  |  |  | 19.4 |
Restructuring costs |  |  | 0.1 |  |  |  | 6.8 |  |  |  | 1.9 |  |  |  | 6.9 |
Other operating charges, net |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 0.4 |
Interest expense |  |  | 12.5 |  |  |  | 11.1 |  |  |  | 23.7 |  |  |  | 22.6 |
Other (income) expense, net – Note 9 |  |  | (4.4 | ) |  |  | 0.5 |  |  |  | (3.0 | ) |  |  | (10.4 | )
Income tax provision |  |  | 6.7 |  |  |  | 5.7 |  |  |  | 13.9 |  |  |  | 11.2 |
Net income |  | $ | 23.2 |  |  | $ | 18.9 |  |  | $ | 44.8 |  |  | $ | 37.1 |
1. Adjusted to reflect the retrospective change in inventory valuation methodology from LIFO to WAC. See Note 14 for further discussion. 2. Hedged cost of alloyed metal includes cost of aluminum at the Midwest transaction price and the cost of alloying elements used in the production process. For the quarters ended June 30, 2025 and June 30, 2024, this metric also includes metal price exposure on shipments that we hedged with realized gains upon settlement of $0.6 million and $3.5 million, respectively. For the six months ended June 30, 2025, this metric also includes metal price exposure on shipments that we hedged with realized gains upon settlement of $5.2 million. There were no realized gains or losses upon settlement for the six months ended June 30, 2024. 3. Manufacturing costs primarily includes labor, utilities, supplies, metal valuation impacts, metal profits, and other materials, excluding alloys incurred at our various production facilities. 4. Plant overhead includes salaried employee costs, property taxes, and insurance associated with our various production facilities. 5. Other cost of products sold primarily includes lease expense, accretion expense related to conditional asset retirement obligations, and major maintenance costs. 6. Employee costs include non direct labor salaries, benefits, and incentive compensation. 7. Other selling, general and administrative costs primarily include professional services, computer hardware and software costs, office rent, and utilities.
Schedule of Net Sales by End Market Segment Applications | The following table presents Net sales by end market applications and by timing of control transfer (in millions of dollars):
|  | Quarter Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Net sales: |  |  |  |  |  |  |  |  |  |  |  |
Aero/HS Products |  | $ | 227.9 |  |  | $ | 226.1 |  |  | $ | 442.6 |  |  | $ | 446.6 |
Packaging |  |  | 340.9 |  |  |  | 312.4 |  |  |  | 655.1 |  |  |  | 610.5 |
GE Products |  |  | 185.4 |  |  |  | 162.6 |  |  |  | 367.0 |  |  |  | 315.6 |
Automotive Extrusions |  |  | 68.9 |  |  |  | 69.7 |  |  |  | 135.8 |  |  |  | 133.2 |
Other products |  |  | — |  |  |  | 2.6 |  |  |  | — |  |  |  | 5.0 |
Total net sales |  | $ | 823.1 |  |  | $ | 773.4 |  |  | $ | 1,600.5 |  |  | $ | 1,510.9 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |  |  |  |
Products transferred at a point in time |  | $ | 626.6 |  |  | $ | 591.8 |  |  | $ | 1,217.4 |  |  | $ | 1,161.2 |
Products transferred over time |  |  | 196.5 |  |  |  | 181.6 |  |  |  | 383.1 |  |  |  | 349.7 |
Total net sales |  | $ | 823.1 |  |  | $ | 773.4 |  |  | $ | 1,600.5 |  |  | $ | 1,510.9 |
Schedule of Income Taxes Paid by Geographical Area | The following table presents geographic information for income taxes paid (in millions of dollars):
|  | Quarter Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Income taxes paid: |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  | $ | 2.6 |  |  | $ | 0.2 |  |  | $ | 2.6 |  |  | $ | 0.2 |
Foreign |  |  | 0.9 |  |  |  | 0.6 |  |  |  | 2.7 |  |  |  | 2.2 |
Total income taxes paid |  | $ | 3.5 |  |  | $ | 0.8 |  |  | $ | 5.3 |  |  | $ | 2.4 |

X
- Definition Schedule of income taxes paid. + References No definition available. + Details
Name: | kalu_ScheduleofIncomeTaxesPaidTableTextBlock
Namespace Prefix: | kalu_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40 + Details
Name: | us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
Name: | us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration