Finite-Lived Intangible Assets, Amortization Expense, Year Three

  
Amortization expense was $123 million, $93 million, and $89 million for the fiscal years ended June 30, 2022, 2021, and 2020, respectively. Future amortization expense for the next five fiscal years is estimated to be:

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| (Dollars in millions) | 2023 |  | 2024 |  | 2025 |  | 2026 |  | 2027 |  | Thereafter |  | Total |
| Amortization | $ | 132  |  |  | $ | 131  |  |  | $ | 129  |  |  | $ | 121  |  |  | $ | 105  |  |  | $ | 442  |  |  | $ | 1,060  |  |

6.     RESTRUCTURING COSTSFrom time to time, the Company has implemented plans to restructure certain operations, both domestically and internationally. The restructuring plans focused on various aspects of operations, including closing and consolidating certain manufacturing operations, rationalizing headcount and aligning operations in a strategic and more cost-efficient structure. In addition, the Company may incur restructuring charges in the future in cases where a material change in the scope of operation with its business occurs. Employee-related costs consist primarily of severance costs and also include outplacement services provided to employees who have been involuntarily terminated and duplicate payroll costs during transition periods. Facility exit and other costs consist of accelerated depreciation, equipment relocation costs, and costs associated with planned facility closures to streamline Company operations.  
During the fiscal year ended June 30, 2022, no material restructuring plan was adopted.  
During the fiscal year ended June 30, 2021, the Company adopted a plan to reduce costs and optimize its infrastructure in Europe by closing its Clinical Supply Services facility in Bolton, U.K. In connection with this restructuring plan, the Company reduced its headcount by approximately 170 employees and incurred cumulative charges of $10 million, primarily associated with employee severance benefits. For the fiscal year ended June 30, 2022, restructuring charges associated with the Bolton facility closure were $3 million. Restructuring costs for the fiscal years ended June 30, 2022, 2021, and 2020 were recorded in Other Operating Expense in the Consolidated Statement of Operations.The following table summarizes the costs recorded within restructuring costs: 

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|  | Fiscal Year Ended June 30, |
| (Dollars in millions)  | 2022 |  | 2021 |  | 2020 |
| Restructuring costs: |   |  |   |  |   |
|        Employee-related reorganization | $ | 9  |  |  | $ | 8  |  |  | $ | 6  |  |
|        Facility exit and other costs | 1  |  |  | 2  |  |  | —  |  |
| Total restructuring costs | $ | 10  |  |  | $ | 10  |  |  | $ | 6  |  |

  
86
