Credit Agreements and Short-term Financing - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Oct. 15, 2021	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Line Of Credit Facility [Line Items]
Sub-limit for swingline loans	$ 50,000,000
Interest expense on borrowings		$ 0	$ 0	$ 100,000	$ 0
Interest expense on short-term debt		100,000	100,000	100,000	200,000
Outstanding overdrafts payable		0		$ 0
Line of Credit Facility, Description				On October 15, 2021, the Company entered into a three-year revolving credit facility (the “Credit Agreement”) provided by a syndicate of lenders and JPMorgan Chase Bank, N.A., as administrative agent
Collateralized Agreements [Member]
Line Of Credit Facility [Line Items]
Maximum available borrowings to subsidiary under agreement		500,000,000		$ 500,000,000
Outstanding borrowings under agreement		0		0
Unused borrowing capacity, amount under agreement		$ 500,000,000		$ 500,000,000
Collateralized Agreements [Member] | Base Rate [Member]
Line Of Credit Facility [Line Items]
Interest rate, stated percentage		1.00%		1.00%
Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Period of credit agreement	3 years
Line of Credit Facility, Initiation Date				Mar. 28, 2023
Revolving Credit Facility [Member]
Line Of Credit Facility [Line Items]
Revolving loans and letters of credit	$ 500,000,000
Expiration period of credit agreement	Oct. 15, 2024
Period of credit agreement				364 days
Letter of credit outstanding		$ 100,000		$ 100,000
Amount available under credit agreement		499,900,000		499,900,000
Additional borrowings under credit agreement		250,000,000		250,000,000
Interest expense on borrowings		$ 100,000	$ 200,000	$ 100,000	$ 300,000
Standby Letters of Credit [Member]
Line Of Credit Facility [Line Items]
Sub-limit for letter of credit	$ 5,000,000