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Income Taxes - Summary of Components of Income Tax Provision from Continuing Operations (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Current |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | $ 15,164 | $ (3,326) | $ 23,957
State |  |  |  |  |  |  |  |  | 742 | 1,686 | 1,943
Foreign |  |  |  |  |  |  |  |  | 14,816 | 13,864 | 10,029
Current, Total |  |  |  |  |  |  |  |  | 30,722 | 12,224 | 35,929
Deferred |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | (47,820) | 23,182 | 1,546
State |  |  |  |  |  |  |  |  | (152) | 8,284 | 1,265
Foreign |  |  |  |  |  |  |  |  | (3,607) | (1,407) | 593
Deferred, Total |  |  |  |  |  |  |  |  | (51,579) | 30,059 | 3,404
Income tax provision | $ (38,458) | $ 9,197 | $ 527 | $ 7,877 | $ (1,832) | $ 10,292 | $ 15,437 | $ 18,386 | $ (20,857) | $ 42,283 | $ 39,333

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