Pension and Retirement Benefit Plans. (Details) $ in Millions |
Dec. 31, 2019
USD ($)
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|---|---|
| Disclosure Text Block Supplement [Abstract] | |
| Defined Benefit Plan, Accumulated Benefit Obligation | $ 21.6 |
| Fair value of plan assets | 15.7 |
| Underfunded amount | 5.9 |
| Accumulated projected benefit obligation value | $ 5.3 |
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- Definition Accumulated projected benefit obligation value 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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