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Financing Arrangements (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Mar. 01, 2024 | Dec. 14, 2022 | May 31, 2025 | May 31, 2024 | May 31, 2023
Financing Arrangements |  |  |  |  |
Debt issuance costs, net |  |  | $ (9,000,000) | $ (11,600,000) |
Long-term debt |  |  | 968,000,000 | 985,400,000 |
Long-Term Line of Credit | $ 0 |  |  |  |
Senior Notes |  |  |  |  |
Financing Arrangements |  |  |  |  |
Amended Revolving Credit Facility with interest payable monthly |  |  | 550,000,000 | 550,000,000 |
Aggregate principal amount | $ 550,000,000 |  |  |  |
Interest rate (as a percent) | 6.75% |  |  |  |
Redemption Period One | Senior Notes |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Redemption Period Two | Senior Notes |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt Instrument, Redemption Price, Percentage | 106.75% |  |  |  |
Percentage of principal amount redeemed | 40.00% |  |  |  |
2026 |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt Instrument, Redemption Price, Percentage | 103.375% |  |  |  |
2027 |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt Instrument, Redemption Price, Percentage | 101.688% |  |  |  |
2028 and thereafter |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Revolving credit facility with interest payable monthly |  |  |  |  |
Financing Arrangements |  |  |  |  |
Amended Revolving Credit Facility with interest payable monthly |  |  | 427,000,000 | 447,000,000 |
Foreign Line of Credit [Member] |  |  |  |  |
Financing Arrangements |  |  |  |  |
Long-Term Line of Credit |  |  | 9,800,000 |  |
Revolving Credit Facility |  |  |  |  |
Financing Arrangements |  |  |  |  |
Maximum borrowing capacity | $ 825,000,000 | $ 620,000,000 |  |  |
Adjusted total debt to EBITDA ratio | 3.75 |  |  |  |
Revolving Credit Facility | Revolving Credit Facility expiring December, 2027 |  |  |  |  |
Financing Arrangements |  |  |  |  |
Maximum amount borrowed |  |  | 617,000,000 | 577,000,000 | $ 350,000,000
Average daily borrowings |  |  | $ 527,500,000 | $ 386,300,000 | $ 210,200,000
Average interest rate during the year |  |  | 6.54% | 6.69% | 5.11%
Revolving Credit Facility | Revolving credit facility with interest payable monthly |  |  |  |  |
Financing Arrangements |  |  |  |  |
Amended Revolving Credit Facility with interest payable monthly |  |  | $ 427,000,000 |  |
Line of credit facility, Additional borrowing capacity |  | 300,000,000 |  |  |
Line of credit facility, Maximum additional borrowing capacity |  | $ 1,125,000,000 |  |  |
Remaining borrowing capacity |  |  | 390,100,000 |  |
Revolving Credit Facility | Revolving credit facility with interest payable monthly | Letter of Credit |  |  |  |  |
Financing Arrangements |  |  |  |  |
Income tax refunds received |  |  | $ 7,900,000 |  |
Revolving Credit Facility | Eurodollar rate | Revolving credit facility with interest payable monthly | Minimum |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt instrument basis spread on variable rate after amendment |  | 1.125% |  |  |
Revolving Credit Facility | Eurodollar rate | Revolving credit facility with interest payable monthly | Maximum |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt instrument basis spread on variable rate after amendment |  | 2.50% |  |  |
Revolving Credit Facility | Base rate |  |  |  |  |
Financing Arrangements |  |  |  |  |
Increase in basis spread on variable rate | 1.50% |  |  |  |
Revolving Credit Facility | Base rate | Revolving credit facility with interest payable monthly | Minimum |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt instrument basis spread on variable rate after amendment |  | 0.125% |  |  |
Revolving Credit Facility | Base rate | Revolving credit facility with interest payable monthly | Maximum |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt instrument basis spread on variable rate after amendment |  | 1.50% |  |  |
Revolving Credit Facility | SOFR |  |  |  |  |
Financing Arrangements |  |  |  |  |
Increase in basis spread on variable rate | 2.50% |  |  |  |
Revolving Credit Facility | SOFR | Revolving credit facility with interest payable monthly |  |  |  |  |
Financing Arrangements |  |  |  |  |
Debt instrument basis spread on variable rate after amendment |  | 0.10% |  |  |

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