Employee Benefit Plans - Pension Plan Asset Allocation by Asset Category (Details)	Jun. 30, 2026	Jun. 30, 2025
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	1.00%	5.00%
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Pension plans asset allocations	73.00%	69.00%
U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Pension plans asset allocations	17.00%	11.00%
International equity securities
Defined Benefit Plan Disclosure [Line Items]
Pension plans asset allocations	9.00%	6.00%
Global equity securities
Defined Benefit Plan Disclosure [Line Items]
Pension plans asset allocations	0.00%	9.00%