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v3.24.3

Long-term Debt - Narrative (Details) |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 05, 2024 | Feb. 21, 2024 $ / shares | Jan. 18, 2024 USD ($) | Feb. 03, 2023 | Mar. 01, 2022 USD ($) $ / shares | Sep. 30, 2024 USD ($) $ / shares | Sep. 30, 2023 USD ($) $ / shares | Sep. 30, 2024 USD ($) $ / shares | Sep. 30, 2023 USD ($) $ / shares | Dec. 31, 2023 USD ($) | Sep. 30, 2022 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest expense, net of capitalized interest |  |  |  |  |  | $ 9,700,000 | $ 13,800,000 | $ 35,100,000 | $ 45,500,000 |  |
Net loss on early debt extinguishment |  |  |  |  |  | 0 | 0 | 0 | 8,800,000 |  |
Finance lease obligations |  |  |  |  |  | 25,100,000 |  | 25,100,000 |  | $ 22,300,000 |
Interest Paid, Capitalized, Investing Activities |  |  |  |  |  | 8,500,000 | $ 14,800,000 | 32,600,000 | $ 56,700,000 |  |
2024 Credit Agreement Availability |  |  |  |  |  | $ 221,400,000 |  | $ 221,400,000 |  |  |
Dividends declared per share | $ / shares |  |  |  |  |  | $ 0.075 | $ 0.075 | $ 0.225 | $ 0.150 |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt instrument, fronting fee |  |  | 0.125% |  |  |  |  |  |  |  |
Letters of credit outstanding, amount |  |  |  |  |  | $ 98,600,000 |  | $ 98,600,000 |  |  |
Line of Credit Facility, Commitment Fee Percentage |  |  | 0.50% | 0.50% |  |  |  |  |  |  |
Revolving credit facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt issuance cost |  |  | $ 9,700,000 |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | $ 320,000,000 |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 3.25% |  |  |  |  |  |  |  |
Maximum | Letter of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 4.25% |  |  |  |  |  |  |  |
Maximum | Revolving credit facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 4.25% |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 2.50% |  |  |  |  |  |  |  |
Minimum | Letter of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 3.50% |  |  |  |  |  |  |  |
Minimum | Revolving credit facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 3.50% |  |  |  |  |  |  |  |
3.250% Convertible Senior Notes due March 2028 (2028 Convertible Notes) |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, If-converted Value in Excess of Principal |  |  |  |  |  |  |  | $ 116,400,000 |  |  |
Senior Notes | 3.250% Convertible Senior Notes due March 2028 (2028 Convertible Notes) |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  | 3.25% |  | 3.25% |  |  |
Long-term debt |  |  |  |  |  | $ 320,000,000.0 |  | $ 320,000,000.0 |  | $ 320,000,000.0 |
Principal amount |  |  |  |  | $ 320,000,000 |  |  |  |  |  |
Debt Issuance Costs, Gross |  |  |  |  |  |  |  |  |  |  | $ 11,200,000
Debt Conversion, Converted Instrument, Rate |  |  |  |  |  | 1.00% |  |  |  |  |
Debt Instrument, Convertible, Conversion Ratio |  |  |  |  | 50.3816 |  |  |  |  |  |
Debt Instrument, Convertible, Revised Conversion Ratio | 51.3840 | 51.0440 |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price | $ / shares |  | $ 19.59 |  |  | $ 19.85 |  |  |  |  |  |
Debt Instrument, Principle Amount |  |  |  |  |  | $ 1,000 |  | $ 1,000 |  |  |

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