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Retirement and Pension Plans - Components of Net Periodic Pension Benefit Expense (Income) (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Defined benefit plans:    
Service cost $ 1,950 $ 1,713
Interest cost 5,636 6,762
Expected return on plan assets (13,650) (13,126)
Amortization of net actuarial loss and other 3,976 3,287
Pension expense (income) (2,088) (1,364)
Other plans:    
Defined contribution plans 10,025 9,108
Foreign plans and other 2,041 1,562
Total other plans 12,066 10,670
Total net pension expense $ 9,978 $ 9,306