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Debt - Narrative (Details) $ in Thousands | 12 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 31, 2024 USD ($) | Sep. 02, 2023 USD ($) | Sep. 03, 2022 USD ($) | Apr. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Mar. 31, 2020 USD ($) | Jun. 30, 2018 USD ($) | Jan. 31, 2018 USD ($) | Apr. 30, 2017 USD ($) | Jul. 31, 2016 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from lines of credit | $ 434,500 | $ 333,000 | $ 374,000 |  |  |  |  |  |  |
Shelf Facility Agreements |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  |  |  |  |  | $ 250,000 |  |
Private Placement Debt and Shelf Facility Agreements |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum consolidated leverage ratio of total indebtedness to EBITDA | 3.00 |  |  |  |  |  |  |  |  |
Maximum consolidated leverage ratio of total indebtedness to EBITDA after material acquisition | 3.50 |  |  |  |  |  |  |  |  |
Minimum consolidated interest coverage ratio of EBITDA to total interest expense | 3.00 |  |  |  |  |  |  |  |  |
Committed Bank Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding balance | $ 74,000 | 50,000 |  |  |  |  |  |  |  |
Amended Uncommitted Credit Facilities |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity | $ 211,000 |  |  |  |  |  |  |  |  |
Credit facility, expiration term | 1 year |  |  |  |  |  |  |  |  |
Outstanding balance | $ 209,500 | $ 180,000 |  |  |  |  |  |  |  |
Proceeds from lines of credit | 434,500 |  |  |  |  |  |  |  |  |
Repayment of loan facility | $ 381,000 |  |  |  |  |  |  |  |  |
Line of credit facility, interest rate at period end | 6.24% | 6.17% |  |  |  |  |  |  |  |
Amended Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 600,000 |
Credit facility, expiration term | 5 years |  |  |  |  |  |  |  |  |
Amended Revolving Credit Facility | Letter of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity | $ 50,000 |  |  |  |  |  |  |  |  |
Outstanding balance | 6,304 | $ 5,269 |  |  |  |  |  |  |  |
Amended Revolving Credit Facility | Committed Bank Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Available increase in amount borrowed | 300,000 |  |  |  |  |  |  |  |  |
2.90% Senior Notes, Series B, due July 28, 2026 | Private Placement Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount | $ 100,000 | 100,000 |  |  |  |  |  |  |  | $ 100,000
Interest rate | 2.90% |  |  |  |  |  |  |  |  | 2.90%
3.79% Senior Notes, due June 11, 2025 | Private Placement Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount | $ 20,000 | 20,000 |  |  |  |  | $ 20,000 |  |  |
Interest rate | 3.79% |  |  |  |  |  | 3.79% |  |  |
Financing obligations, current | $ 595 |  |  |  |  |  |  |  |  |
2.60% Senior Notes, due March 5, 2027 | Private Placement Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount | $ 50,000 | 50,000 |  |  |  | $ 50,000 |  |  |  |
Interest rate | 2.60% |  |  |  |  | 2.60% |  |  |  |
5.73% Senior Notes, due April 18, 2027 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 50,000 |  |  |  |  |  |
5.73% Senior Notes, due April 18, 2027 | Private Placement Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount | $ 50,000 | 0 |  |  |  |  |  |  |  |
Interest rate |  |  |  | 5.73% |  |  |  |  |  |
2.40% Series 2019A Notes, due March 5, 2024 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Financing obligations, current |  | 37 |  |  |  |  |  |  |  |
2.40% Series 2019A Notes, due March 5, 2024 | Private Placement Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount | $ 0 | $ 50,000 |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 2.40% |  |  |  |  |
Financing obligations, current |  |  |  |  | $ 50,000 |  |  |  |  |

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