Amount of repayments of foreign subsidiaries short-term debt due in next year.

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Amount of repayments of long-term debt due in next year.

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No definition available.

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Line of credit facility maximum maturity period.

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No definition available.

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Line of credit facility minimum maturity period.

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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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No definition available.

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

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No definition available.

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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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No definition available.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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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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No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

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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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Debt - Additional Information (Detail) - USD ($)	12 Months Ended
Debt - Additional Information (Detail) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Jan. 30, 2018
Debt Instrument [Line Items]
Total debt	$ 198,669,000	$ 222,103,000
Line of credit facility, Minimum maturity period	1 month
Line of credit facility, Maximum maturity period	6 months
Debt matures in 2021	$ 37,857,000
Debt matures in 2022	37,857,000
Debt matures in 2023	37,857,000
Debt matures in 2024	28,572,000
Debt matures in 2025	28,572,000
Debt matures after 2025	28,571,000
Amount of repayments of long-term debt due in next year	37,857,000
Amount of repayments of foreign subsidiaries short-term debt due in next year	$ 0
Minimum [Member]
Debt Instrument [Line Items]
Commitment fee percentage	0.15%
Minimum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread rate	1.25%
Minimum [Member] \| Prime Rate [Member]
Debt Instrument [Line Items]
Spread rate	0.25%
Maximum [Member]
Debt Instrument [Line Items]
Commitment fee percentage	0.325%
Maximum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread rate	1.875%
Maximum [Member] \| Prime Rate [Member]
Debt Instrument [Line Items]
Spread rate	0.875%
Unsecured Private Placement Notes [Member]
Debt Instrument [Line Items]
Total debt	$ 199,286,000
Maturity Dates	12 years
Debt instrument maturity dates description	The notes had original maturities of 12 years with mandatory amortization of principal beginning six years after issuance.
Unsecured Private Placement Notes [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument interest rate percentage	3.86%
Unsecured Private Placement Notes [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument interest rate percentage	4.86%
Multi Currency Revolving Credit Agreement [Member]
Debt Instrument [Line Items]
Revolving credit agreement	$ 350,000,000		$ 350,000,000
Credit agreement secured date	Jan. 30, 2023
Letters of Credit Outstanding	$ 6,220,000
Debt Outstanding	0
Unused Revolving credit	343,780,000
Unrestricted retained earnings	373,884,000	$ 283,956,000
Debt of foreign subsidiaries Unsecured bank debt and Term Loan, foreign currency [Member]
Debt Instrument [Line Items]
Total debt	$ 0