Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BALANCE	$ (72,736)	$ (37,506)	$ (12,200)
Foreign currency translation adjustment, net of tax	(22,983)	(35,230)	(25,306)
Unrealized gain on interest rate derivatives, net of tax	8,086	0	0
BALANCE	(87,633)	(72,736)	(37,506)
Foreign Currency Translation [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BALANCE	(72,736)	(37,506)	(12,200)
Foreign currency translation adjustment, net of tax	(22,983)	(35,230)	(25,306)
Unrealized gain on interest rate derivatives, net of tax	0
BALANCE	(95,719)	(72,736)	(37,506)
Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BALANCE	0	0	0
Foreign currency translation adjustment, net of tax	0	0	0
Unrealized gain on interest rate derivatives, net of tax	8,086
BALANCE	$ 8,086	$ 0	$ 0