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Restructuring | 9 Months Ended
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Mar. 30, 2025
Restructuring and Related Activities [Abstract] |
Restructuring | Restructuring During the first quarter of fiscal 2025, the Company initiated a headcount reduction and facility closure and consolidation plan intended to optimize its cost structure as the Company accelerates its transition from 150mm to 200mm silicon carbide devices (collectively with the subsequent updates described below, the 2025 Restructuring Plan). The actions taken under the 2025 Restructuring Plan will ultimately result in the closure of the Company's 150mm device fabrication facility in Durham, North Carolina as well as a realignment of related activities across the geographic regions in which the Company operates. The Company also initiated plans to consolidate its manufacturing footprint for epitaxy products by winding down operations at its facility in Farmer's Branch, Texas during fiscal 2025. In addition, the Company is taking steps to optimize the allocation of resources across various functional groups. The Company also implemented a voluntary separation program for a limited number of eligible employees based on their age and years of service. During the third quarter of fiscal 2025, the Company increased the scope of the planned headcount reductions, primarily in its Materials Products operations. The 2025 Restructuring Plan is expected to result in a cumulative total headcount reduction of approximately 20%. As of March 30, 2025, the 2025 Restructuring Plan resulted in a cumulative total headcount reduction of approximately 15%, and the remainder is expected to occur over the next six months. The costs that will be incurred as a result of the 2025 Restructuring Plan primarily include severance and employee benefit costs, voluntary termination benefits, and other exit costs that qualify as exit and disposal costs under ASC 420, "Exit or Disposal Cost Obligations". The involuntary severance costs incurred were provided under an ongoing benefit arrangement and were therefore recorded once they were both probable and reasonably estimable in accordance with the provisions of ASC 712-10, “Nonretirement Postemployment Benefits”. Additionally, the Company has incurred, and over the next six months will continue to incur, additional facility closure-related costs related to these activities, including asset-related charges, fixed manufacturing costs that will be eliminated as a result of this plan, and other incremental costs related to the exit of certain facilities. Including these additional facility closure-related costs, the Company expects to incur approximately $450 million to $500 million of total costs, including approximately $60 million of involuntary and voluntary severance costs, $190 million of other closure-related cash costs, and approximately $250 million of charges related to long-lived assets and other non-cash costs, including accelerated depreciation and impairments upon abandonment or disposal of machinery and equipment. The Company expects to realize approximately $200 million of annualized cost savings upon completion of these initiatives. A summary of the charges recognized in the consolidated statements of operations through the third quarter of fiscal 2025 resulting from these restructuring activities is shown below:
| Three months ended |  | Nine months ended
(in millions of U.S. Dollars) | March 30, 2025 |  | March 30, 2025
Accelerated depreciation | $4.5 |  |  | $27.9 |
Other closure-related costs | 12.3 |  |  | 54.6 |
Total cost of revenue, net | $16.8 |  |  | $82.5 |
Impairments on abandoned assets(1) | $30.7 |  |  | $155.2 |
Severance(2) | $7.0 |  |  | $58.5 |
Accelerated depreciation (3) | (2.0) |  |  | 10.8 |
Other closure-related costs | 5.0 |  |  | 25.7 |
Other operating expense | $10.0 |  |  | $95.0 |
Total | $57.5 |  |  | $332.7 |
(1)Presented in "Loss on disposal or impairment of long-lived assets" (2)Employee severance and benefit costs include the early exit program activity (3) Includes net impact of change in salvage value and estimated useful life related to 150mm fab tooling and equipment A summary of the balance sheet activity related to these restructuring activities recognized in accounts payable and accrued expenses in the unaudited consolidated balance sheet as of March 30, 2025 follows:
(in millions of U.S. Dollars) | As of June 30, 2024 |  | Charges | Usage | March 30, 2025
Employee severance and benefit costs(1) | $— |  |  | $58.5 |  | ($37.5) |  | $21.0 |
Contract termination liability | — |  |  | 1.1 |  | (1.1) |  | — |
Total | $— |  |  | $59.6 |  | ($38.6) |  | $21.0 |
(1)Employee severance and benefit costs includes the early exit program activity

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/420/tableOfContent Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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