Income Taxes - Narrative (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Line Items]
Provision for income taxes	$ 46,752	$ 52,049	$ 38,205
Undistributed earnings	154,000
Valuation allowance	46,516	34,642
Unrecognized tax benefits, including penalties and interest	19,900	22,200	21,200
Net tax benefit from unrecognized tax benefits, if recognized	13,000	9,900	7,100
Unrecognized tax benefits, income tax penalties and interest expense	600	800	$ 500
Unrecognized tax benefits, income tax penalties and interest accrued	1,400	$ 2,200
Foreign Subsidiaries
Income Taxes [Line Items]
Net operating loss carry forward	$ 214,900
Tax Holiday Through December 31, 2018 | Costa Rica
Income Taxes [Line Items]
Holiday tax rate	100.00%
State and Local Jurisdiction | Domestic Subsidiaries
Income Taxes [Line Items]
Net operating loss carry forward	$ 9,600