Fair Value of Financial Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	$ 819,758	$ 775,941
Fair Value	605,275	792,906
Variable rate debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	108,110	10,000
Fair Value	108,110	10,000
4.750% Senior Notes, due Oct 2029
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	500,000	500,000
Fair Value	$ 286,250	516,875
Interest rate on debt (as a percent)	4.75%
Term loan, due Feb 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	$ 179,607	218,026
Fair Value	179,607	218,026
2.40% Term Loan, due Jun 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	0	809
Fair Value	$ 0	813
Interest rate on debt (as a percent)	2.40%
2.05% Term Loan, due Mar 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	$ 2,601	7,556
Fair Value	$ 2,591	7,616
Interest rate on debt (as a percent)	2.05%
1.30% Term Loan, due Jun 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	$ 1,044	2,427
Fair Value	$ 1,033	2,433
Interest rate on debt (as a percent)	1.30%
1.55% Term Loan, due Sep 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	$ 3,583	5,204
Fair Value	$ 3,437	5,234
Interest rate on debt (as a percent)	1.55%
1.10% Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	$ 5,317	9,267
Fair Value	5,184	9,252
0.57% Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value	19,496	22,652
Fair Value	$ 19,063	$ 22,657
Interest rate on debt (as a percent)	0.57%

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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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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