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Reconciliation Between Income Tax Expenses (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |  |
Computed statutory tax expense |  | $ 57,490 | $ 65,254 | $ 120,882
State and local income taxes, net of federal income tax impact |  | 8,479 | 12,611 | 12,786
Changes in valuation allowance |  | 2,532 | 131 | 44
Foreign tax rate differential |  | 4,646 | 2,235 | (245)
Foreign dividends |  |  |  | 13,662
Foreign tax credits |  | 4,143 | 3,927 | (21,647)
Impacts related to 2017 Tax Act | [1],[2] |  | 19,180 | (44,889)
Changes in uncertain tax positions |  | 197 | (6,139) | 983
Other — net |  | 2,425 | (1,770) | (2,218)
Income taxes |  | $ 79,912 | $ 95,429 | $ 79,358
[1] | The amount for the year ended December 31, 2017 includes a 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.
[2] | The amount for the year ended December 31, 2018 includes a one-time charge to true-up deferred taxes of $1,913 and a reduction in deferred tax assets with regard to foreign tax credit carryforwards of $17,267.

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