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v3.20.4

Leases - Components of Right-of-Use Assets (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Finance |  |
Gross property ,plant and equipment | $ 4.2 | $ 3.6
Less: Accumulated depreciation | (1.2) | (0.7)
Right-of-use assets | 3.0 | 2.9
Operating |  |
Gross property, plant and equipment | 30.3 | 26.4
Less: Accumulated depreciation | (10.5) | (5.5)
Right-of-use assets | 19.8 | 20.9
Total |  |
Gross property, plant and equipment | 34.5 | 30.0
Less: Accumulated depreciation | (11.7) | (6.2)
Right-of-use assets | 22.8 | 23.8
Land and improvements |  |
Finance |  |
Gross property ,plant and equipment | 0.0 | 0.0
Operating |  |
Gross property, plant and equipment | 0.1 | 0.1
Total |  |
Gross property, plant and equipment | 0.1 | 0.1
Buildings and improvements |  |
Finance |  |
Gross property ,plant and equipment | 3.1 | 2.9
Operating |  |
Gross property, plant and equipment | 25.9 | 21.8
Total |  |
Gross property, plant and equipment | 29.0 | 24.7
Machinery and equipment |  |
Finance |  |
Gross property ,plant and equipment | 1.1 | 0.7
Operating |  |
Gross property, plant and equipment | 4.3 | 4.5
Total |  |
Gross property, plant and equipment | $ 5.4 | $ 5.2

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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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