Income Taxes Components of Income Tax Expense Benefit (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income from continuing operations before income taxes and equity in net income of unconsolidated investments:
Domestic	$ 8,594	$ 45,689	$ 351,731
Foreign	349,593	167,490	186,711
Income from continuing operations before income taxes and equity in net income of unconsolidated investments	358,187	213,179	538,442
Current income tax expense:
Federal	85,245	36,708	53,953
State	71	3,209	2,195
Foreign	80,104	25,700	18,414
Total	165,420	65,617	74,562
Deferred income tax (benefit) expense:
Federal	(129,433)	(32,890)	69,817
State	(1,170)	(1,139)	2,416
Foreign	(5,695)	(13,104)	(12,350)
Total	(136,298)	(47,133)	59,883
Total income tax expense	$ 29,122	$ 18,484	$ 134,445