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Restructuring and Synergy and Site Consolidation Plans - Schedule of Components and Restructuring Charges and Payments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Jun. 30, 2023
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Restructuring charges (recoveries) | $ 11,530 |  |  | $ 0 | $ 12,978 | $ 0 |
May 2023 Restructuring Plan |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Beginning Balance | 51,548 | $ 58,499 | $ 64,379 |  | 64,379 |  |
Restructuring charges (recoveries) | 11,530 | (1,570) | 3,018 |  | 13,000 |  | $ 119,000
Payments | (3,358) | (2,103) | (7,930) |  |  |  |
Asset write-offs and other | (6,298) | (3,278) | (968) |  |  |  |
Ending Balance | 53,422 | 51,548 | 58,499 |  | 53,422 |  | 64,379
May 2023 Restructuring Plan | Severance |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Beginning Balance | 51,548 | 58,499 | 64,379 |  | 64,379 |  |
Restructuring charges (recoveries) | 5,232 | (4,848) | 2,050 |  |  |  |
Payments | (3,358) | (2,103) | (7,930) |  |  |  |
Asset write-offs and other | 0 | 0 | 0 |  |  |  |
Ending Balance | 53,422 | 51,548 | 58,499 |  | 53,422 |  | 64,379
May 2023 Restructuring Plan | Asset Write-Offs |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Beginning Balance | 0 | 0 | 0 |  | 0 |  |
Restructuring charges (recoveries) | 1,593 | 54 | 269 |  |  |  |
Payments | 0 | 0 | 0 |  |  |  |
Asset write-offs and other | (1,593) | (54) | (269) |  |  |  |
Ending Balance | 0 | 0 | 0 |  | 0 |  | 0
May 2023 Restructuring Plan | Other |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Beginning Balance | 0 | 0 | 0 |  | 0 |  |
Restructuring charges (recoveries) | 4,705 | 3,224 | 699 |  |  |  |
Payments | 0 | 0 | 0 |  |  |  |
Asset write-offs and other | (4,705) | (3,224) | (699) |  |  |  |
Ending Balance | $ 0 | $ 0 | $ 0 |  | $ 0 |  | $ 0

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