Postretirement and Other Employee Benefits (Benefit Obligations and Plan Assets, Changes in Benefit Obligation and Plan Assets and Funded Status of Plans) (Details) - Switzerland Plan $ in Thousands	Sep. 30, 2019 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Ending projected benefit obligation	$ (404,297)
Ending fair value of plan assets	345,473
Unfunded status	$ (58,824)

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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- 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.

+ References

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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.

+ References

No definition available.

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