Pensions and Other Postretirement Benefits - Accumulated Benefit obligation in excess of plan assets (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Pensions and Other Postretirement Benefits
Projected benefit obligation	$ 4,702	$ 4,581	$ 4,610
Accumulated benefit obligation	4,702	4,581
Fair value of plan assets	$ 560	$ 809	$ 1,021

No definition available.

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- Definition

Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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