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v3.25.1

Financial Instruments and Other Guarantees - Narratives (Details) - USD ($) $ in Millions |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 18, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | Feb. 13, 2023
Guarantee Obligations [Line Items] |  |  |  |  |
Interest expense, net of capitalized interest |  | $ 11.5 | $ 14.7 |  |
Restricted Cash |  | 687.3 |  | $ 682.2 |
Cash-backed bank guarantee facilities |  | 170.2 |  |  |
Capitalized debt issuance costs related to ARS amendment |  | 1.7 |  |  |
Letter of Credit |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Letters of credit outstanding, amount |  | 49.3 |  |  |
Line of Credit Facility, Commitment Fee Percentage | 0.50% |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 250.0 |  |  |
Cash Collateral, Percentage of the aggregate amount of letters of credit outstanding |  | 103.00% |  |  |
Stated interest rate |  | 0.75% |  |  |
Collateralized Letter of Credit Agreement |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Letters of credit outstanding, amount |  | $ 115.6 |  |  |
Cash-collateralized Letters of Credit |  | 119.1 |  |  |
Surety Trust Account |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Restricted Cash |  | 398.0 |  | $ 394.6 |
Accounts Receivable Securitization Program |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  | $ 225.0
Accounts Receivable Securitization Program | Secured debt |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Letters of credit outstanding, amount |  | $ 60.4 |  |  |
Basis spread on variable rate |  | 2.10% |  |  |
Maximum |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Basis spread on variable rate | 3.25% |  |  |  |
Maximum | Letter of Credit |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Basis spread on variable rate | 4.25% |  |  |  |
Transaction support agreements, additional collateral demands |  | $ 5.0 |  |  |
Minimum |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Basis spread on variable rate | 2.50% |  |  |  |
Minimum | Letter of Credit |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Basis spread on variable rate | 3.50% |  |  |  |
Surety Bond |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Surety Agreement Liquidity Covenant, Amount |  | 400.0 |  |  |
Difference between penal sum of all surety bonds and amount of collateral posted in favor of surety providers |  | 499.0 |  |  |
Collateral amount held in trust account |  | 398.0 |  |  |
Collateral amount held in letters of credit |  | $ 127.0 |  |  |
Surety Bond | Maximum |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Net Leverage Ratio |  | 1.5 |  |  |
Debt Instrument, Collateral |  | 525.0 million |  |  |
Surety Bond | Minimum |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Net Leverage Ratio |  | 1.0 |  |  |
Senior Notes | 3.250% Convertible Senior Notes due March 2028 (2028 Convertible Notes) |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Debt Instrument, Funded, Percent |  | 50.00% |  |  |
Stated interest rate |  | 3.25% |  |  |
Secured debt | Accounts Receivable Securitization Program |  |  |  |  |
Guarantee Obligations [Line Items] |  |  |  |  |
Outstanding borrowings |  | $ 0.0 |  |  |
Accounts Receivable from Securitization |  | 119.8 |  |  |
Interest expense, net of capitalized interest |  | $ 0.6 | $ 0.8 |  |

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