Schedule of Net Amount Available Under Facility (Detail) - USD ($)	Oct. 07, 2023	Apr. 14, 2023
Accounts Receivable Repurchase Facility
Debt Instrument [Line Items]
Gross amount available	$ 200,000,000	$ 200,000,000
Outstanding	(145,000,000)
Available for withdrawal	55,000,000
Unsecured Credit Facility
Debt Instrument [Line Items]
Gross amount available	500,000,000
Letters of credit	(8,400,000)
Available for withdrawal	$ 491,600,000