Pension Plans and Other Postretirement Benefit Plans - Net Periodic Benefit Cost Not Yet Recognized (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Pension Plans | ||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Actuarial loss | $ (35,651) | $ (37,465) |
| Postretirement Plan | ||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Actuarial loss | $ (875) | $ (381) |
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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