Line of credit including term loan.

No definition available.

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

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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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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No definition available.

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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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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) - USD ($)		9 Months Ended
Debt - Additional Information (Detail) - USD ($)	Jun. 24, 2022	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Total debt		$ 655,472,000	$ 625,439,000
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
Multi-Currency Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date		Jun. 24, 2027
Delayed Draw Term Loan Credit Facility [Member]
Debt Instrument [Line Items]
Borrowing capacity		$ 85,625,000
Term loan principal repaid		14,375,000
Multi Currency Revolving Credit Agreement [Member]
Debt Instrument [Line Items]
Outstanding borrowings, including term loan		314,700,000
Letters of Credit Outstanding		4,552,000
Unused Revolving credit		116,373,000
Unrestricted retained earnings		267,854,000	$ 251,953,000
Unsecured Private Placement Notes [Member]
Debt Instrument [Line Items]
Total debt		$ 338,268,000
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		6.17%
Maturity Dates		12 years
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
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] \| Multi-Currency 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
Debt of foreign subsidiaries Unsecured bank debt and Term Loan, foreign currency [Member]
Debt Instrument [Line Items]
Total debt		$ 2,504,000