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Note 11 - Dispositions and Discontinued Operations - Divestitures and Business Held for Sale (Details) - USD ($) $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 28, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Feb. 01, 2023
Total current assets: |  |  | $ 0.0 | $ 362.6 |  |
Total noncurrent assets |  |  | 0.0 | 2,728.6 |  |
Current liabilities held-for-sale: |  |  | 0.0 | 282.3 |  |
Noncurrent liabilities held-for-sale |  |  | 0.0 | 177.6 |  |
Energy Business [Member] | Discontinued Operations, Held-for-Sale [Member] |  |  |  |  |  |
Revenues |  |  | 46.8 | 537.3 | $ 536.1 |
Cost of revenues (exclusive of items shown separately below) |  |  | 18.2 | 207.4 | 204.1 |
Selling, general and administrative |  |  | 33.2 | 117.2 | 109.5 |
Depreciation and amortization of fixed assets |  |  | 0.0 | 32.9 | 36.6 |
Amortization of intangible assets |  |  | 0.0 | 68.5 | 96.8 |
Impairment of Long-Lived Assets to be Disposed of |  | $ 303.7 | 0.0 | 303.7 | 0.0 |
Other operating loss |  |  | 131.1 | 33.9 | 0.0 |
Total operating expenses |  |  | 182.5 | 763.6 | 447.0 |
Operating (loss) income |  |  | (135.7) | (226.3) | 89.1 |
Investment income (loss) and others, net |  |  | (5.7) | 7.0 | (0.2) |
Total other income (expense), net |  |  | (5.7) | 7.0 | (0.2) |
(Loss) income from discontinued operations before income taxes |  |  | (141.4) | (219.3) | 88.9 |
Income tax (expense) benefit |  |  | (12.6) | 131.5 | (29.7) |
(Loss) income from discontinued operations, net of income taxes |  |  | (154.0) | (87.8) | 59.2 |
Cash and cash equivalents |  |  |  | 180.2 |  | $ 86.3
Accounts receivable, net |  |  |  | 150.8 |  | 187.1
Prepaid expenses |  |  |  | 17.8 |  | 17.6
Other current assets |  |  |  | 13.8 |  | 13.8
Total current assets: |  |  |  | 362.6 |  | 304.8
Fixed assets, net |  |  |  | 157.1 |  | 165.2
Operating lease right-of-use assets, net |  |  |  | 29.8 |  | 29.7
Intangible assets, net |  |  |  | 616.9 |  | 625.9
Goodwill |  |  |  | 2,136.3 |  | 2,165.7
Other noncurrent assets |  |  |  | 16.3 |  | 18.9
Total noncurrent assets |  |  |  | 2,956.4 |  | 3,005.4
Total assets held for sale: |  |  |  | 3,319.0 |  | 3,310.2
Net impairment of asset group(1) | [1] |  |  | (227.8) |  | (227.8)
Total assets held for sale, net |  |  |  | 3,091.2 |  | 3,082.4
Accounts payable and accrued liabilities |  |  |  | 68.6 |  | 77.6
Operating lease liabilities |  |  |  | 6.9 |  | 7.6
Deferred revenues |  |  |  | 176.6 |  | 207.4
Income taxes payable |  |  |  | 30.2 |  | 13.6
Current liabilities held-for-sale: |  |  |  | 282.3 |  | 306.2
Deferred income tax liabilities |  |  |  | 144.1 |  | 146.2
Noncurrent lease liabilities |  |  |  | 30.8 |  | 30.0
Other noncurrent liabilities |  |  |  | 2.7 |  | 2.5
Noncurrent liabilities held-for-sale |  |  |  | 177.6 |  | 178.7
Total liabilities held for sale |  |  |  | 459.9 |  | $ 484.9
Depreciation and amortization of fixed assets |  |  | 0.0 | 32.9 | 36.6 |
Amortization of intangible assets |  |  | 0.0 | 68.5 | 96.8 |
Operating lease right-of-use assets, net |  |  | 0.1 | 7.6 | 7.7 |
Capital expenditures |  |  | (6.5) | (72.6) | (59.7) |
Fixed assets included in accounts payable and accrued liabilities |  |  | $ 0.0 | $ 3.0 | $ 5.0 |
[1] | In connection with the held for sale classification, we recognized a $303.7 million impairment, partially offset by a deferred tax benefit of $75.9 million on the remeasurement of the disposal group held for sale. This impairment was charged to a contra asset account within "Other noncurrent assets" per ASC 205-20, Discontinued Operations.

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