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Employee Benefit Plans (Narratives) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Employee Benefit Plans Disclosure [Abstract]
Expected employer contribution in current remaining fiscal year	$ 0.3		$ 0.3
Defined Benefit Plan Payments In Current Fiscal Year	0.2	$ 0.2	0.4	$ 0.4
Defined Benefit Plans Liabilities Noncurrent	$ 0.9		$ 0.9		$ 0.9

X

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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X

- Definition

Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year.

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No definition available.

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- Definition

Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

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