Debt - Debt (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total debt	$ 625,439	$ 654,146
Less current maturities	292,807	252,898
Long-term debt, less current maturities (Note 6)	332,632	401,248
Revolving credit facility and term loan borrowing [Member]
Debt Instrument [Line Items]
Short-term debt	$ 313,700	$ 283,000
Maturity Dates	2025	2025
Unsecured private placement 3.95% note [Member]
Debt Instrument [Line Items]
Total debt	$ 42,759	$ 56,952
Debt instrument interest rate percentage	3.95%	3.95%
Unsecured private placement 3.95% note [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Maturity Dates	2025	2025
Unsecured private placement 3.95% note [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Maturity Dates	2027	2027
Unsecured private placement 3.86% note [Member]
Debt Instrument [Line Items]
Total debt	$ 14,270	$ 28,466
Debt instrument interest rate percentage	3.86%	3.86%
Maturity Dates	2025	2025
Unsecured private placement 2.30% note [Member]
Debt Instrument [Line Items]
Total debt	$ 39,923	$ 49,858
Debt instrument interest rate percentage	2.30%	2.30%
Unsecured private placement 2.30% note [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Maturity Dates	2025	2025
Unsecured private placement 2.30% note [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Maturity Dates	2028	2028
Unsecured private placement 2.37% note [Member]
Debt Instrument [Line Items]
Total debt	$ 39,917	$ 49,852
Debt instrument interest rate percentage	2.37%	2.37%
Unsecured private placement 2.37% note [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Maturity Dates	2025	2025
Unsecured private placement 2.37% note [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Maturity Dates	2028	2028
Unsecured private placement 2.73% note [Member]
Debt Instrument [Line Items]
Total debt	$ 99,930	$ 99,825
Debt instrument interest rate percentage	2.73%	2.73%
Unsecured private placement 2.73% note [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Maturity Dates	2025	2025
Unsecured private placement 2.73% note [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Maturity Dates	2031	2031
Unsecured private placement 2.83% note [Member]
Debt Instrument [Line Items]
Total debt	$ 74,940	$ 74,866
Debt instrument interest rate percentage	2.83%	2.83%
Unsecured private placement 2.83% note [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Maturity Dates	2026	2026
Unsecured private placement 2.83% note [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Maturity Dates	2032	2032
Debt of foreign subsidiaries Unsecured bank debt, foreign currency [Member]
Debt Instrument [Line Items]
Total debt		$ 11,327

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