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Other Balance Sheet Items Other Balance Sheet Items (Long-term tax and other liabilities) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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Long-term tax and other liabilities Disclosure [Abstract] |  |
Deferred Tax and Other Liabilities, Noncurrent | $ 303,764 | $ 281,621
Operating Lease, Liability, Noncurrent | 5,337 | 0
Other long-term liabilities | $ 309,101 | $ 281,621

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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting, and liabilities classified as noncurrent and other. + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Long-term tax and other liabilities Disclosure [Abstract] + References No definition available. + Details
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