Financing - Additional Information (Detail) - USD ($) $ in Thousands	Nov. 15, 2024	Nov. 15, 2022	Feb. 15, 2025	Aug. 31, 2024	Nov. 15, 2021	Nov. 14, 2021
Debt Instrument [Line Items]
Letters of credit, outstanding				$ 0
Remaining borrowing capacity under revolving credit agreement			$ 2,200,000
Fair value of the Company's debt			9,000,000	9,000,000
Excess (shortfall) of fair value of debt over (from) carrying value			(92,100)	3,500
Surety Bond
Debt Instrument [Line Items]
Guarantee obligations			57,200	48,900
Revolving Credit Agreement
Debt Instrument [Line Items]
Amount available under credit facility					$ 2,250,000	$ 2,000,000
Maximum amount available under credit facility					3,250,000	$ 2,250,000
Extended expiration of credit facility	1 year	1 year
Borrowings, outstanding			0	0
Letters of credit, outstanding			1,700	1,800
Swingline Loans
Debt Instrument [Line Items]
Maximum amount available under credit facility					75,000
Individual Issuer, Letter of Credit
Debt Instrument [Line Items]
Maximum amount available under credit facility					50,000
Letter of Credit
Debt Instrument [Line Items]
Maximum amount available under credit facility				25,000	$ 250,000
Borrowings, outstanding			148,600	141,600
Master Extension Agreement
Debt Instrument [Line Items]
Credit facility expiration date	Nov. 15, 2028
Commercial paper
Debt Instrument [Line Items]
Commercial paper borrowings			602,000	580,000
3.250% Senior Notes due April 2025, effective interest rate 3.36%
Debt Instrument [Line Items]
Senior notes			$ 400,000	$ 400,000
Stated interest rate percentage			3.25%	3.25%
3.625% Senior Notes due April 2025, effective interest rate 3.78%
Debt Instrument [Line Items]
Senior notes			$ 500,000	$ 500,000
Stated interest rate percentage			3.625%	3.625%