Income Taxes Components of Income Tax Expense Benefit (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income before income taxes and equity in net income of unconsolidated investments:
Domestic	$ 190,195	$ 223,702	$ (8,293)
Foreign	372,755	570,999	455,091
Income before income taxes and equity in net income of unconsolidated investments	562,950	794,701	446,798
Current income tax expense (benefit):
Federal	21,258	(2,712)	394,747
State	5,453	6,793	323
Foreign	47,056	91,581	78,688
Total	73,767	95,662	473,758
Deferred income tax (benefit) expense:
Federal	13,255	15,573	(58,640)
State	(7,369)	1,614	(2,288)
Foreign	8,508	31,977	18,987
Total	14,394	49,164	(41,941)
Total income tax expense	$ 88,161	$ 144,826	$ 431,817