Long-Term Debt (5.125% Senior Notes due 2022) - Additional Information (Detail) - 5.125% Senior Notes Due 2022 [Member] - USD ($)		3 Months Ended
Jul. 01, 2014	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Issued Senior Notes	$ 300,000,000.0
Debt instrument interest rate	5.125%	5.125%	5.125%
Debt instrument maturity date	Jul. 01, 2022
Interest on the notes		payable semi-annually in arrears on January 1 and July 1 of each year

Face (par) amount of debt instrument at time of issuance.

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

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- Definition

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

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- Definition

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.

+ References

No definition available.

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- Definition

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
-Topic 210
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