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Income Taxes - Components of Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
U.S. income (loss)	$ 85,234	$ (20,555)	$ 100,382
Non-U.S. income	77,101	50,330	51,529
Income from continuing operations before income taxes	162,335	29,775	151,911
Current
Federal	13,574	22,272	19,968
State	4,265	813	2,231
Non-U.S.	23,446	11,054	21,188
Total current provision	41,285	34,139	43,387
Deferred
Federal	291	(26,931)	11,580
State	(1,604)	(3,630)	1,977
Non-U.S.	(2,752)	(759)	860
Total deferred (benefit) provision	(4,065)	(31,320)	14,417
Provision for income taxes	$ 37,220	$ 2,819	$ 57,804

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