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v3.25.3

Debt - Additional Information (Detail) - USD ($) |  | 9 Months Ended |
--- | --- | --- | ---
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 |

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