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Supplemental Cash Flow Information - Components of Change in Other Assets and Liabilities Net (Detail) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017
Supplemental Cash Flow Elements [Abstract] |  |
Other current and noncurrent assets | $ (32,572) | $ (29,342)
Accrued salaries, benefits and payroll taxes | 5,986 | (6,234)
Accrued insurance and other taxes | 4,555 | 10,230
Accrued income taxes | 6,220 | 16,393
Accrued pension, postretirement and postemployment benefits | (131,963) | (5,807)
Other current and noncurrent liabilities | 2,769 | 49,244
Change in other assets and liabilities, net | $ (145,005) | $ 34,484

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- Definition The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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