Employee Benefit Plans - Pension Plan Asset Allocation by Asset Category (Details)	Jun. 30, 2025	Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	100.00%	100.00%
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	5.00%	0.00%
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	69.00%	63.00%
U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	10.00%	12.00%
International equity securities
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	5.00%	10.00%
Global equity securities
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	11.00%	15.00%