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v3.23.3

Divestitures, Discontinued Operations and Assets and Liabilities Held for Sale (Detail) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |
Inventories, net | $ 25.8 | $ 31.3
Investment land | 19.4 | 40.6
Other assets | 0.6 | 1.3
Total current assets held for sale | 45.8 | 73.2
Property, plant and equipment | 87.2 | 124.5
Intangible assets, excluding goodwill | 208.5 | 208.5
Operating lease right-of-use assets | 6.1 | 12.1
Goodwill | 31.9 | 31.9
Valuation allowance for loss on sale | (26.4) | (4.5)
Total noncurrent assets held for sale | 307.3 | 372.5
Lease obligations | (1.3) | (4.5)
Total current liabilities held for sale | (1.3) | (4.5)
Lease obligations | (2.5) | (4.1)
Asset retirement obligations | (17.6) | (17.7)
Total noncurrent liabilities held for sale | (20.1) | (21.8)
Continuing Operations |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |
Investment land | 19.4 | 40.6
Total current assets held for sale | 19.4 | 40.6
Discontinued Operations |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |
Inventories, net | 25.8 | 31.3
Other assets | 0.6 | 1.3
Total current assets held for sale | 26.4 | 32.6
Property, plant and equipment | 87.2 | 124.5
Intangible assets, excluding goodwill | 208.5 | 208.5
Operating lease right-of-use assets | 6.1 | 12.1
Goodwill | 31.9 | 31.9
Valuation allowance for loss on sale | (26.4) | (4.5)
Total noncurrent assets held for sale | 307.3 | 372.5
Lease obligations | (1.3) | (4.5)
Total current liabilities held for sale | (1.3) | (4.5)
Lease obligations | (2.5) | (4.1)
Asset retirement obligations | (17.6) | (17.7)
Total noncurrent liabilities held for sale | $ (20.1) | $ (21.8)

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