Amount of repayments of long term debt due in current year.

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Line of credit including term loan.

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Number of agreements for amendment.

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The amount of retained earnings available for dividend distribution as calculated in accordance with loan covenants.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Date the credit facility terminates, in YYYY-MM-DD format.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Debt - Additional Information (Detail)			12 Months Ended
Debt - Additional Information (Detail)	Aug. 27, 2024 Agreement	Jun. 24, 2022 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Total debt			$ 625,439,000	$ 654,146,000
Term loan principal repaid			$ 48,571,000	37,858,000	$ 37,857,000
Line of credit facility, Minimum maturity period			1 month
Line of credit facility, maturity period			3 months
Line of credit facility, Maximum maturity period			6 months
Debt matures in 2025			$ 292,807,000
Debt matures in 2026			66,786,000
Debt matures in 2027			135,535,000
Debt matures in 2028			45,000,000
Debt matures in 2029			25,000,000
Debt matures after 2029			60,715,000
Amount of repayments of long-term debt due in current year			$ 69,108,000
Minimum [Member]
Debt Instrument [Line Items]
Commitment fee percentage			0.125%
Minimum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread rate			1.125%
Minimum [Member] \| Prime Rate [Member]
Debt Instrument [Line Items]
Spread rate			0.125%
Maximum [Member]
Debt Instrument [Line Items]
Commitment fee percentage			0.25%
Maximum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread rate			1.75%
Maximum [Member] \| Prime Rate [Member]
Debt Instrument [Line Items]
Spread rate			0.75%
Delayed Draw Term Loan Credit Facility [Member]
Debt Instrument [Line Items]
Borrowing capacity			$ 90,000,000
Term loan principal repaid			10,000,000
Unsecured Private Placement Notes [Member]
Debt Instrument [Line Items]
Total debt			$ 311,739,000
Debt instrument maturity dates description			The notes had original maturities of seven to 12 years with mandatory principal payments beginning four, five and six years after issuance.
Unsecured Private Placement Notes [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument interest rate percentage			2.30%
Maturity Dates			7 years
Unsecured Private Placement Notes [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument interest rate percentage			3.95%
Maturity Dates			12 years
Multi-Currency Credit Facility with Syndicate of Banks [Member]
Debt Instrument [Line Items]
Borrowing capacity		$ 450,000,000
Committed multi-currency credit facility, maturity date		Jun. 24, 2027
Multi-Currency Credit Facility with Syndicate of Banks [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Borrowing capacity		$ 350,000,000
Multi-Currency Credit Facility with Syndicate of Banks [Member] \| Delayed Draw Term Loan Credit Facility [Member]
Debt Instrument [Line Items]
Borrowing capacity		100,000,000
Multi Currency Revolving Credit Agreement [Member]
Debt Instrument [Line Items]
Borrowing capacity		$ 350,000,000
Letters of Credit Outstanding			$ 4,217,000
Unused Revolving credit			122,083,000
Outstanding borrowings, including term loan			313,700,000
Unrestricted retained earnings			251,953,000	$ 234,399,000
Note Purchase Agreements [Member]
Debt Instrument [Line Items]
Number of agreements for amendment \| Agreement	2
CIC Credit Agreement [Member]
Debt Instrument [Line Items]
Borrowing capacity			8,700,000
CIC Credit Agreement [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Borrowing capacity			8,694,000
Debt of foreign subsidiaries Unsecured bank debt and Term Loan, foreign currency [Member]
Debt Instrument [Line Items]
Total debt			$ 0