Income Taxes - Components of Income from Continuing Operations Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income before income taxes:
United States	$ 164,282	$ 65,176	$ 58,157
Foreign	134,391	142,114	139,585
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAX EXPENSE	$ 298,673	$ 207,290	$ 197,742