Income Taxes - Components of Income from Continuing Operations Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income before income taxes:
United States	$ 148,055	$ 164,282	$ 65,176
Foreign	111,757	134,391	142,114
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAX EXPENSE	$ 259,812	$ 298,673	$ 207,290