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v3.25.2

Debt - Additional Information (Detail) - USD ($) |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
May 21, 2025 | Jun. 24, 2022 | Jun. 30, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |  |  |
Total debt |  |  | $ 658,030,000 | $ 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 |  |  | $ 87,500,000 |
Term loan principal repaid |  |  | 12,500,000 |
Multi Currency Revolving Credit Agreement [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Outstanding borrowings, including term loan |  |  | 293,000,000 |
Letters of Credit Outstanding |  |  | 4,884,000 |
Unused Revolving credit |  |  | 139,616,000 |
Unrestricted retained earnings |  |  | 265,723,000 | $ 251,953,000
Unsecured Private Placement Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total debt |  |  | $ 362,524,000 |
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 |
Note Purchase Agreements [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate percentage | 6.17% |  |  |
Debt instrument, maturity date |  |  | May 21, 2033 |
Debt instrument, payment terms |  |  | The Notes will bear interest at a fixed rate of 6.17% with interest to be paid semi-annually. Principal amortization for the Notes is contractually scheduled with equal annual payments beginning on May 21, 2029 and on each May 21 thereafter to and including May 21, 2032, with the final outstanding principal balance due at maturity on May 21, 2033 |
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 |  |  | $ 2,506,000 |
6.17% Senior Notes, Series 2025-A, Due May 21, 2033 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate percentage | 6.17% |  |  |
Debt instrument, maturity date | May 21, 2033 |  |  |
Aggregate principal amount in debt issued and sold | $ 37,500,000 |  |  |
6.17% Senior Notes, Series 2025-B, due May 21, 2033 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate percentage | 6.17% |  |  |
Debt instrument, maturity date | May 21, 2033 |  |  |
Aggregate principal amount in debt issued and sold | $ 37,500,000 |  |  |

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