Note 10 - Debt - Short-term and Long-term Debt (Details) - USD ($) $ in Millions |
Sep. 30, 2024 |
Dec. 31, 2023 |
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|---|---|---|---|---|
| Finance lease liabilities, current | [1] | $ 16.6 | $ 14.5 | |
| Long-term debt, current | 516.1 | 14.5 | ||
| Finance lease liabilities, noncurrent | [1] | 27.4 | 20.0 | |
| Syndicated revolving credit facility debt issuance costs | (1.4) | (1.5) | ||
| Long-term debt | 2,546.9 | 2,852.2 | ||
| Total debt | 3,063.0 | 2,866.7 | ||
| The 4.000% Senior Note [Member] | ||||
| 4.000% senior notes, less unamortized discount and debt issuance costs of $(0.5) | 499.5 | 0.0 | ||
| Long-term debt | 0.0 | 898.2 | ||
| The 4.125% Senior Note [Member] | ||||
| Long-term debt | 606.6 | 607.8 | ||
| The 5.500% Senior Note [Member] | ||||
| Long-term debt | 346.3 | 346.2 | ||
| The 3.625% Senior Note [Member] | ||||
| Long-term debt | 490.7 | 490.4 | ||
| The 5.750% Senior Notes [Member] | ||||
| Long-term debt | 491.9 | 491.1 | ||
| The 2034 Senior Notes [Member] | ||||
| Long-term debt | 585.4 | 0.0 | ||
| Line of Credit [Member] | ||||
| Syndicated revolving credit facility | $ 0.0 | $ 0.0 | ||
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- Definition Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of the amount outstanding under the credit facility. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of long-term debt and lease obligation, classified as noncurrent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of long-term debt and lease obligation, classified as current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of long-term debt and lease obligation, including portion classified as current. No definition available.
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- Definition Carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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