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Other Non-Current Liabilities - Statement of Composition of Other Non Current Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Other Liabilities Disclosure [Abstract] |  |
Deferred revenue | $ 1,215 | $ 1,539
Environmental and legal matters | 20,404 | 21,888
Deferred compensation liability | 43,819 | 51,890
Pension liability | 26,722 | 25,632
Other non-current liabilities | 11,704 | 29,484
Total other non-current liabilities | $ 103,864 | $ 130,433

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- Definition Environmental and legal matters liabilities non current. + References No definition available. + Details
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- Definition The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6935-107765 + Details
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