Stockholders' Equity RF (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 01, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Balance as of January 1, 2016				$ 369,793
Common Stock, shares outstanding, beginning balance				44,954,000
Issuance of common stock for stock-based compensation, net of forfeitures, shares				474,000
Repurchase of capital stock				$ (3,959)
Repurchase of capital stock, shares				(128,000)
Stock-based compensation expense				$ 15,780
Additional tax benefit related to stock-based compensation				338
Unrealized loss on interest rate swap contracts, net of deferred income tax (benefit) of $(3,522)				(11,571)
Unrealized loss on interest rate swap contracts, deferred income tax (benefit)		$ 4,590	$ (4,460)	(3,522)	$ (2,752)
Net income attributable to controlling interests		27,490	$ 22,009	63,022	$ 52,239
Net loss attributable to noncontrolling interest				(71)
Foreign currency translation adjustments, net of deferred income tax (benefit) of $(2,555)				(26,704)
Foreign currency translation adjustments, deferred income tax (benefit)		(564)		(2,555)
Balance as of September 30, 2016		$ 406,628		$ 406,628
Common Stock, shares outstanding, ending balance		45,300,000		45,300,000
Common Stock
Balance as of January 1, 2016				$ 5
Change in common stock, treasury stock, and additional paid-in capital associated with the Redomicile Transaction				448
Balance as of September 30, 2016		$ 453		453
Additional Paid-in Capital [Member]
Balance as of January 1, 2016				374,564
Stock-based compensation expense				15,780
Additional tax benefit related to stock-based compensation				338
Change in common stock, treasury stock, and additional paid-in capital associated with the Redomicile Transaction				(85,741)
Balance as of September 30, 2016		304,941		304,941
Accumulated Other Comprehensive Loss, Net
Balance as of January 1, 2016				(88,126)
Unrealized loss on interest rate swap contracts, net of deferred income tax (benefit) of $(3,522)				(11,571)
Foreign currency translation adjustments, net of deferred income tax (benefit) of $(2,555)				(26,686)
Balance as of September 30, 2016		(126,383)		(126,383)
Retained Earnings
Balance as of January 1, 2016				185,897
Net income attributable to controlling interests				63,022
Change in common stock, treasury stock, and additional paid-in capital associated with the Redomicile Transaction				(21,232)
Balance as of September 30, 2016		227,687		227,687
Treasury Stock
Balance as of January 1, 2016				(102,566)
Repurchase of capital stock				(3,959)
Change in common stock, treasury stock, and additional paid-in capital associated with the Redomicile Transaction				106,525
Changes in shares associated with the Redomicile Transaction	(7,310,022)
Noncontrolling Interest [Member]
Balance as of January 1, 2016				19
Net loss attributable to noncontrolling interest				(71)
Foreign currency translation adjustments, net of deferred income tax (benefit) of $(2,555)				(18)
Balance as of September 30, 2016		$ (70)		$ (70)
Ordinary Shares
Par or nominal value per share		$ 0.01		$ 0.01
Changes in shares associated with the Redomicile Transaction	52,529,197
Common Stock, shares outstanding, ending balance		45,300,164		45,300,164
Common Class A
Par or nominal value per share						$ 0.0001
Common Stock, shares outstanding, beginning balance				44,953,620
Changes in shares associated with the Redomicile Transaction	(52,529,197)