Income Taxes - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jun. 30, 2009	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2011
Income Taxes [Line Items]
Undistributed earnings of foreign subsidiaries		$ 359,800
Deferred tax assets, valuation allowance		31,685	$ 32,498
Change in valuation allowance		800
Current deferred tax assets		0	37,053
Tax benefits associated with the exercise of employee stock options and utilization of net operating loss carryover applicable to stock options		10,200	21,400	$ 27,100
Increase in unrecognized tax benefits		6,300
Unrecognized tax benefits		39,413	33,067	26,668	$ 20,639
Interest accrued		700
New Accounting Pronouncement, Early Adoption, Effect
Income Taxes [Line Items]
Current deferred tax assets		(30,100)
Noncurrent deferred tax assets		30,100
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carryforwards		20,500
Research credit carryforward		3,900
Foreign Country
Income Taxes [Line Items]
Net operating loss carryforwards		$ 127,600
Foreign Country | Costa Rica
Income Taxes [Line Items]
Tax incentives, period	12 years
Tax incentives, corporate income tax rate that would apply absent the incentives		30.00%
Tax incentives, reduction in income taxes		$ 32,700	$ 32,500	$ 27,700
Tax benefit of tax holiday on net income per share (diluted) (usd per share)		$ 0.40	$ 0.40	$ 0.34
Stock Options
Income Taxes [Line Items]
Net operating loss carryforwards		$ 17,300