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Reconciliation Between Income Tax Expenses (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Tax Disclosure [Abstract] |  |  |  |
Computed statutory tax expense |  | $ 120,882 | $ 126,226 | $ 121,683
Foreign inflation adjustments |  |  | (281) | (1,295)
State and local income taxes, net of federal income tax impact |  | 12,786 | 11,999 | 9,559
Foreign losses not benefited and changes in valuation allowance |  | 249 | (34,757) | (2,408)
Foreign tax rate differential |  | (245) | (942) | (2,660)
Foreign dividends |  | 13,662 | 68,684 |
Foreign tax credits |  | (21,647) | (62,815) |
Impacts related to 2017 Tax Act | [1] | (44,889) |  |
Changes in uncertain tax positions |  | 983 | 921 | 3,717
Other — net |  | (2,423) | (5,216) | 343
Income taxes |  | $ 79,358 | $ 103,819 | $ 128,939
[1] | Includes one-time benefit due to re-measurement of net deferred tax liabilities using a lower U.S. corporate tax rate and a reassessment of permanently reinvested earnings of ($79,834), a deemed repatriation tax of $14,512, and a reduction in deferred tax assets with regard to foreign tax credit carryforwards of $20,433.

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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