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Income Taxes (Interest And Penalties) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Gross liability for unrecognized tax benefits, exclusive of interest and penalties	$ 15,479	$ 14,367
Interest and penalties on unrecognized benefits	1,677	1,289
Total gross uncertain tax positions	17,156	15,656
Amount included in Current liabilities	2,964	3,131
Amount included in Other long-term liabilities	$ 14,192	$ 12,525

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Gross Liability For Unrecognized Tax Benefits Exclusive Of Interest And Penalties

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Amount recognized for uncertainty in income taxes classified as current.

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-Topic 210
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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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