Retirement Plans - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Minimum service period	1 month
Minimum age requirement	18 years
Eligibility criteria for employees under savings and retirement plans	one month of service and have attained age 18
Savings And Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Percentage of employer contributions to eligible employees based on salary, minimum	1.00%
Expense recognized	$ 10,500	$ 10,700
United States
Defined Benefit Plan Disclosure [Line Items]
Recognized net actuarial loss	900
Accumulated benefit obligation	53,602	48,163
Net periodic benefit cost	2,923	3,765
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	7,300	7,200
Net periodic benefit cost	$ 1,000	$ 1,000	$ 100