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v3.22.2.2

Business Combinations, Discontinued Operations, Divestitures and Assets and Liabilities Held for Sale - Summary of Assets and Liabilities Held for Sale (Detail) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
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Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |
Inventories, net | $ 37.2 | $ 53.1
Investment land | 42.0 | 32.7
Other assets | 0.3 | 16.4
Total current assets held for sale | 79.5 | 102.2
Property, plant and equipment | 127.2 | 226.0
Intangible assets, excluding goodwill | 208.5 | 264.9
Operating lease right-of-use assets | 12.7 | 18.1
Goodwill | 31.8 | 109.3
Other assets |  | 4.6
Valuation allowance for loss on sale | (5.1) | (6.0)
Total noncurrent assets held for sale | 375.1 | 616.9
Lease obligations | (4.6) | (7.5)
Total current liabilities held for sale | (4.6) | (7.5)
Asset retirement obligations | (17.4) | (31.5)
Lease obligations | (6.4) | (22.0)
Total noncurrent liabilities held for sale | (23.8) | (53.5)
Continuing Operations |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |
Investment land | 42.0 | 32.7
Total current assets held for sale | 42.0 | 32.7
Discontinued Operations |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |
Inventories, net | 37.2 | 53.1
Other assets | 0.3 | 16.4
Total current assets held for sale | 37.5 | 69.5
Property, plant and equipment | 127.2 | 226.0
Intangible assets, excluding goodwill | 208.5 | 264.9
Operating lease right-of-use assets | 12.7 | 18.1
Goodwill | 31.8 | 109.3
Other assets |  | 4.6
Valuation allowance for loss on sale | (5.1) | (6.0)
Total noncurrent assets held for sale | 375.1 | 616.9
Lease obligations | (4.6) | (7.5)
Total current liabilities held for sale | (4.6) | (7.5)
Asset retirement obligations | (17.4) | (31.5)
Lease obligations | (6.4) | (22.0)
Total noncurrent liabilities held for sale | $ (23.8) | $ (53.5)

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