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Income Taxes (Interest And Penalties) (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
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Income Tax Contingency [Line Items] |  |
Gross liability for unrecognized tax benefits, exclusive of interest and penalties | $ 18,077 | $ 17,287
Interest and penalties on unrecognized benefits | 1,382 | 1,224
Gross uncertain tax positions | 19,459 | 18,511
Amount included in Current liabilities | 3,849 | 3,866
Amount included in Other long-term liabilities | $ 15,610 | $ 14,645

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- Definition Amount recognized for uncertainty in income taxes classified as current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 + Details
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