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Financing - Additional Information (Detail) $ in Thousands |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 15, 2025 USD ($) | Nov. 15, 2024 | Apr. 18, 2024 USD ($) | Jul. 17, 2023 USD ($) | Jan. 17, 2023 USD ($) | Aug. 30, 2025 USD ($) | Apr. 14, 2025 USD ($) | Sep. 30, 2024 USD ($) | Aug. 31, 2024 USD ($) | Jun. 28, 2024 USD ($) | Oct. 25, 2023 USD ($) | Jul. 21, 2023 USD ($) | Jan. 27, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining borrowing capacity under revolving credit agreement |  |  |  |  |  | $ 2,200,000 |  |  |  |  |  |  |
Fair value of the Company's debt |  |  |  |  |  | 8,900,000 |  |  | $ 9,000,000 |  |  |  |
Excess (shortfall) of fair value of debt over (from) carrying value |  |  |  |  |  | $ 94,400 |  |  | 3,500 |  |  |  |
Minimum debt covenant interest coverage ratio to be maintained quarterly |  |  |  |  |  | 2.5 |  |  |  |  |  |  |
Debt covenant interest coverage ratio |  |  |  |  |  | 5.1 |  |  |  |  |  |  |
Surety Bond |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Guarantee obligations |  |  |  |  |  | $ 100,500 |  |  |  |  |  |  |
Revolving Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Amount available under credit facility |  |  |  |  |  | 2,250,000 |  |  |  |  |  |  |
Maximum amount available under credit facility |  |  |  |  |  | 3,250,000 |  |  |  |  |  |  |
Extended expiration of credit facility |  | 1 year |  |  |  |  |  |  |  |  |  |  |
Letters of credit, outstanding |  |  |  |  |  | 1,700 |  |  |  |  |  |  |
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 |  |  |  |  |  |  |
Aggregate Sublimit, Letters of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount available under credit facility |  |  |  |  |  | 250,000 |  |  |  |  |  |  |
Master Extension Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility expiration date |  | Nov. 15, 2028 |  |  |  |  |  |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount available under credit facility |  |  |  |  |  |  |  | $ 25,000 |  |  |  |  |
Borrowings, outstanding |  |  |  |  |  | 149,100 |  |  |  |  |  |  |
Letters of credit, outstanding |  |  |  |  |  |  |  |  | 0 |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, outstanding |  |  |  |  |  | 0 |  |  |  |  |  |  |
Commercial paper |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper borrowings |  |  |  |  |  | 748,600 |  |  | 580,000 |  |  |  |
3.250% Senior Notes due April 2025, effective interest rate 3.36% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  |  |  | $ 400,000 |  |  |  |
Repayments of Debt | $ 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 |  |  |  |
Repayments of Debt | $ 500,000 |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate percentage | 3.625% |  |  |  |  |  |  |  | 3.625% |  |  |  |
5.125% Senior Notes due June, 2030, effective interest rate 5.14% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 500,000 | $ 500,000 |  |  |  |  |  |
Stated interest rate percentage |  |  |  |  |  | 5.125% | 5.125% |  |  |  |  |  |
3.125% Senior Notes due April 2024, effective interest rate 3.32% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  | $ 300,000 |  |  |  |  |  |  |  |  |  |
Stated interest rate percentage |  |  | 3.125% |  |  |  |  |  |  |  |  |  |
3.125% Senior Notes due April 2026, effective interest rate 3.28% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 400,000 |  |  | $ 400,000 |  |  |  |
Stated interest rate percentage |  |  |  |  |  | 3.125% |  |  | 3.125% |  |  |  |
5.100% Senior Notes due July 2029, effective interest rate 5.30% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 600,000 |  |  | $ 600,000 | $ 600,000 |  |  |
Stated interest rate percentage |  |  |  |  |  | 5.10% |  |  | 5.10% | 5.10% |  |  |
5.400% Senior Notes due July 2034, effective interest rate 5.54% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 700,000 |  |  | $ 700,000 | $ 700,000 |  |  |
Stated interest rate percentage |  |  |  |  |  | 5.40% |  |  | 5.40% | 5.40% |  |  |
3.125% Senior Notes due July, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  |  | $ 500,000 |  |  |  |  |  |  |  |  |
Stated interest rate percentage |  |  |  | 3.125% |  |  |  |  |  |  |  |  |
2.875% Senior Notes due Jan, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  |  |  | $ 300,000 |  |  |  |  |  |  |  |
Stated interest rate percentage |  |  |  |  | 2.875% |  |  |  |  |  |  |  |
6.250% Senior Notes due November 2028, effective interest rate 6.46% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 500,000 |  |  | $ 500,000 |  | $ 500,000 |  |
Stated interest rate percentage |  |  |  |  |  | 6.25% |  |  | 6.25% |  | 6.25% |  |
6.550% Senior Notes due November 2033, effective interest rate 6.71% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 500,000 |  |  | $ 500,000 |  | $ 500,000 |  |
Stated interest rate percentage |  |  |  |  |  | 6.55% |  |  | 6.55% |  | 6.55% |  |
5.050% Senior Notes due July 2026, effective interest rate 5.09% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 450,000 |  |  | $ 450,000 |  |  | $ 450,000 |
Stated interest rate percentage |  |  |  |  |  | 5.05% |  |  | 5.05% |  |  | 5.05% |
5.200% Senior Notes due August 2033, effective interest rate 5.22% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 300,000 |  |  | $ 300,000 |  |  | $ 300,000 |
Stated interest rate percentage |  |  |  |  |  | 5.20% |  |  | 5.20% |  |  | 5.20% |
4.500% Senior Notes due February 2028, effective interest rate 4.43% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 450,000 |  |  | $ 450,000 |  |  |  | $ 450,000
Stated interest rate percentage |  |  |  |  |  | 4.50% |  |  | 4.50% |  |  |  | 4.50%
4.750% Senior Notes due February 2033, effective interest rate 4.70% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 550,000 |  |  | $ 550,000 |  |  |  | $ 550,000
Stated interest rate percentage |  |  |  |  |  | 4.75% |  |  | 4.75% |  |  |  | 4.75%
4.750% Senior Notes due August 2032, effective interest rate 4.76% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  | $ 750,000 |  |  | $ 750,000 |  |  |  |
Stated interest rate percentage |  |  |  |  |  | 4.75% |  |  | 4.75% |  |  |  |

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