Credit Agreement and Short-term Financing - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
	Feb. 04, 2026	Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Line Of Credit Facility [Line Items]
Borrowings		$ 115,914			$ 115,914		$ 220,000
Interest expense on short-term debt		200		$ 100	300	$ 300
Outstanding overdrafts payable		3,900			3,900
Collateralized Agreements [Member]
Line Of Credit Facility [Line Items]
Interest expense on borrowings		0		0	100	0
Maximum available borrowings to subsidiary under agreement		$ 500,000			$ 500,000
Interest rate, stated percentage		1.00%			1.00%
Unused borrowing capacity, amount under agreement		$ 500,000			$ 500,000
Uncommitted Collateralized Facility [Member]
Line Of Credit Facility [Line Items]
Borrowings		$ 0			$ 0
Collateralized Borrowing Agreement [Member]
Line Of Credit Facility [Line Items]
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]					us-gaap:BaseRateMember
Minimum [Member] | Collateralized Agreements [Member]
Line Of Credit Facility [Line Items]
Interest rate, stated percentage		0.25%			0.25%
2021 Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Interest expense on borrowings		$ 1,700		0	$ 4,400	0
2023 Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Repayment of borrowings				$ 0	108,000	$ 0
Amount available under credit agreement		637,900			637,900
2023 Amended and Restated Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Period of credit agreement	3 years
Sub-limit for swingline loans	$ 380,000
Maturity date	Feb. 02, 2029
Line of Credit Facility, Description			On February 4, 2026, the Company entered into an amended and restated three-year revolving credit facility (the “Credit Agreement”) provided by a syndicate of lenders and JPMorgan Chase Bank, N.A. (“JPMorgan”), as administrative agent.
Revolving Credit Facility [Member] | 2023 Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Borrowings		112,000			112,000
Letter of credit outstanding		$ 100			$ 100
Revolving Credit Facility [Member] | 2023 Amended and Restated Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Revolving loans and letters of credit	$ 750,000
Additional borrowings under credit agreement	375,000
Standby Letters of Credit [Member] | 2023 Amended and Restated Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Sub-limit for letter of credit	$ 5,000